Version abc50819

8 files changed, 1124 insertions, 619 deletions

diff --git a/src/opt/rwr/rwr.h b/src/opt/rwr/rwr.h
index 96810c25..5d190745 100644
--- a/src/opt/rwr/rwr.h
+++ b/src/opt/rwr/rwr.h
@@ -44,17 +44,19 @@ typedef struct Rwr_Cut_t_   Rwr_Cut_t;
 struct Rwr_Man_t_
 {
     // internal lookups
-    int                nFuncs;           // the number of four var functions
+    int                nFuncs;           // number of four var functions
     unsigned short *   puCanons;         // canonical forms
     char *             pPhases;          // canonical phases
     char *             pPerms;           // canonical permutations
     unsigned char *    pMap;             // mapping of functions into class numbers
-    char *             pPractical;       // practical classes
-    unsigned short     puPerms[256][16]; // permutations for three var functions
+    char *             pPractical;       // practical NPN classes
+    unsigned short **  puPerms43;        // four-var permutations for three var functions
     // node space
     Vec_Ptr_t *        vForest;          // all the nodes
     Rwr_Node_t **      pTable;           // the hash table of nodes by their canonical form
+    Vec_Vec_t *        vClasses;         // the nodes of the equivalence classes
     Extra_MmFixed_t *  pMmNode;          // memory for nodes and cuts
+    // statistical variables
     int                nTravIds;         // the counter of traversal IDs
     int                nConsidered;      // the number of nodes considered
     int                nAdded;           // the number of nodes added to lists
@@ -64,10 +66,8 @@ struct Rwr_Man_t_
     Vec_Int_t *        vReqTimes;        // the required times for each node (used for delay-driven evalution)
     // the result of resynthesis
     Vec_Int_t *        vForm;            // the decomposition tree (temporary)
+    Vec_Int_t *        vLevNums;         // the array of levels (temporary)
     Vec_Ptr_t *        vFanins;          // the fanins array (temporary)
-    Vec_Ptr_t *        vTfo;             // the TFO node array (temporary)
-    Vec_Ptr_t *        vTfoFor;          // the TFO node array (temporary)
-    Vec_Vec_t *        vLevels;          // the levelized structure (temporary)
     int                nGainMax;
     // runtime statistics
     int                time1;
@@ -82,8 +82,7 @@ struct Rwr_Node_t_ // 24 bytes
     int                TravId;           // traversal ID
     unsigned           uTruth : 16;      // truth table
     unsigned           Volume :  8;      // volume
-    unsigned           Level  :  5;      // level
-    unsigned           fMark  :  1;      // mark
+    unsigned           Level  :  6;      // level
     unsigned           fUsed  :  1;      // mark
     unsigned           fExor  :  1;      // mark
     Rwr_Node_t *       p0;               // first child
@@ -122,22 +121,29 @@ extern void              Rwr_NtkStartCuts( Rwr_Man_t * p, Abc_Ntk_t * pNtk );
 extern void              Rwr_NodeComputeCuts( Rwr_Man_t * p, Abc_Obj_t * pNode );
 /*=== rwrEva.c ========================================================*/
 extern int               Rwr_NodeRewrite( Rwr_Man_t * p, Abc_Obj_t * pNode );
+extern void              Rwr_ManPreprocess( Rwr_Man_t * p );
 /*=== rwrLib.c ========================================================*/
 extern void              Rwr_ManPrecompute( Rwr_Man_t * p );
-extern void              Rwr_ManWriteToFile( Rwr_Man_t * p, char * pFileName );
-extern void              Rwr_ManLoadFromFile( Rwr_Man_t * p, char * pFileName );
-extern void              Rwr_ManPrintFirst( Rwr_Man_t * p );
-extern void              Rwr_ManPrintNext( Rwr_Man_t * p );
-extern Rwr_Node_t *      Rwr_ManAddVar( Rwr_Man_t * p, unsigned uTruth, char * pFileName  );
+extern Rwr_Node_t *      Rwr_ManAddVar( Rwr_Man_t * p, unsigned uTruth, int fPrecompute );
+extern Rwr_Node_t *      Rwr_ManAddNode( Rwr_Man_t * p, Rwr_Node_t * p0, Rwr_Node_t * p1, int fExor, int Level, int Volume );
+extern int               Rwr_ManNodeVolume( Rwr_Man_t * p, Rwr_Node_t * p0, Rwr_Node_t * p1 );
+extern void              Rwr_ManIncTravId( Rwr_Man_t * p );
 /*=== rwrMan.c ========================================================*/
-extern Rwr_Man_t *       Rwr_ManStart( char * pFileName );
+extern Rwr_Man_t *       Rwr_ManStart( bool fPrecompute );
 extern void              Rwr_ManStop( Rwr_Man_t * p );
 extern void              Rwr_ManPrepareNetwork( Rwr_Man_t * p, Abc_Ntk_t * pNtk );
 extern Vec_Ptr_t *       Rwr_ManReadFanins( Rwr_Man_t * p );
 extern Vec_Int_t *       Rwr_ManReadDecs( Rwr_Man_t * p );
-extern unsigned short    Rwr_FunctionPhase( unsigned uTruth, unsigned uPhase );
+/*=== rwrPrint.c ========================================================*/
+extern void              Rwr_ManPrint( Rwr_Man_t * p );
 /*=== rwrUtil.c ========================================================*/
+extern void              Rwr_ManWriteToArray( Rwr_Man_t * p );
+extern void              Rwr_ManLoadFromArray( Rwr_Man_t * p );
+extern void              Rwr_ManWriteToFile( Rwr_Man_t * p, char * pFileName );
+extern void              Rwr_ManLoadFromFile( Rwr_Man_t * p, char * pFileName );
 extern Vec_Int_t *       Rwt_NtkFanoutCounters( Abc_Ntk_t * pNtk );
+extern void              Rwr_ListAddToTail( Rwr_Node_t ** ppList, Rwr_Node_t * pNode );
+extern char *            Rwr_ManGetPractical( Rwr_Man_t * p );
 
 ////////////////////////////////////////////////////////////////////////
 ///                       END OF FILE                                ///
diff --git a/src/opt/rwr/rwrCut.c b/src/opt/rwr/rwrCut.c
index c8560114..209d6ee6 100644
--- a/src/opt/rwr/rwrCut.c
+++ b/src/opt/rwr/rwrCut.c
@@ -174,7 +174,7 @@ Rwr_Cut_t * Rwr_CutsMerge( Rwr_Man_t * p, Rwr_Cut_t * pCut0, Rwr_Cut_t * pCut1,
         }
         assert( uPhase < 16 );
         assert( pCut0->uTruth < 256 );
-        uTruth0 = p->puPerms[pCut0->uTruth][uPhase];
+        uTruth0 = p->puPerms43[pCut0->uTruth][uPhase];
     }
 
     // find the mapping from the old nodes to the new
@@ -192,7 +192,7 @@ Rwr_Cut_t * Rwr_CutsMerge( Rwr_Man_t * p, Rwr_Cut_t * pCut0, Rwr_Cut_t * pCut1,
         }
         assert( uPhase < 16 );
         assert( pCut1->uTruth < 256 );
-        uTruth1 = p->puPerms[pCut1->uTruth][uPhase];
+        uTruth1 = p->puPerms43[pCut1->uTruth][uPhase];
     }
 
     // create the cut
diff --git a/src/opt/rwr/rwrEva.c b/src/opt/rwr/rwrEva.c
index 50e773f8..ddc9d742 100644
--- a/src/opt/rwr/rwrEva.c
+++ b/src/opt/rwr/rwrEva.c
@@ -19,13 +19,13 @@
 ***********************************************************************/
 
 #include "rwr.h"
+#include "ft.h"
 
 ////////////////////////////////////////////////////////////////////////
 ///                        DECLARATIONS                              ///
 ////////////////////////////////////////////////////////////////////////
 
-static void Rwr_CutEvaluate( Rwr_Man_t * p, Abc_Obj_t * pNode, Rwr_Cut_t * pCut );
-static void Rwr_CutDecompose( Rwr_Man_t * p, Abc_Obj_t * pNode, Rwr_Cut_t * pCut, Vec_Int_t * vForm );
+static Vec_Int_t * Rwr_CutEvaluate( Rwr_Man_t * p, Abc_Obj_t * pRoot, Rwr_Cut_t * pCut, int NodeMax, int LevelMax );
 
 ////////////////////////////////////////////////////////////////////////
 ///                     FUNCTION DEFITIONS                           ///
@@ -51,43 +51,34 @@ static void Rwr_CutDecompose( Rwr_Man_t * p, Abc_Obj_t * pNode, Rwr_Cut_t * pCut
 ***********************************************************************/
 int Rwr_NodeRewrite( Rwr_Man_t * p, Abc_Obj_t * pNode )
 {
-    Vec_Ptr_t Vector = {0,0,0}, * vFanins = &Vector;
-    Rwr_Cut_t * pCut, * pCutBest;
-    int BestGain = -1;
-    int i, Required = Vec_IntEntry( p->vReqTimes, pNode->Id );
-
-    // compute the cuts of the node
+    Vec_Int_t * vForm;
+    Rwr_Cut_t * pCut;
+    int Required, nNodesSaved;
+    int i, BestGain = -1;
+    // compute the cuts for this node
     Rwr_NodeComputeCuts( p, pNode );
-
+    // get the required times
+    Required = Vec_IntEntry( p->vReqTimes, pNode->Id );
+    // label MFFC with current ID
+    nNodesSaved = Abc_NodeMffcLabel( pNode );
     // go through the cuts
     for ( pCut = (Rwr_Cut_t *)pNode->pCopy, pCut = pCut->pNext; pCut; pCut = pCut->pNext )
     {
-        // collect the TFO
-        vFanins->nSize  = pCut->nLeaves;
-        vFanins->pArray = pCut->ppLeaves;
-        Abc_NodeCollectTfoCands( pNode->pNtk, pNode, vFanins, Required, p->vLevels, p->vTfo );
         // evaluate the cut
-        Rwr_CutEvaluate( p, pNode, pCut );
-        // check if the cut is the best
-        if ( pCut->fTime && pCut->fGain )
+        vForm = Rwr_CutEvaluate( p, pNode, pCut, nNodesSaved, Required );
+        // check if the cut is better than the currently best one
+        if ( vForm != NULL && BestGain < (int)pCut->Volume )
         {
-            pCutBest = pCut;
-            BestGain = pCut->Volume;
+            assert( pCut->Volume >= 0 );
+            BestGain  = pCut->Volume;
+            // save this form
+            p->vForm = vForm;
+            // collect fanins
+            Vec_PtrClear( p->vFanins );
+            for ( i = 0; i < (int)pCut->nLeaves; i++ )
+                Vec_PtrPush( p->vFanins, pCut->ppLeaves[i] );
         }
     }
-    if ( BestGain == -1 )
-        return -1;
-    // we found a good cut
-
-    // prepare the fanins
-    Vec_PtrClear( p->vFanins );
-    for ( i = 0; i < (int)pCutBest->nLeaves; i++ )
-        Vec_PtrPush( p->vFanins, pCutBest->ppLeaves[i] );
-    // collect the TFO again
-    Abc_NodeCollectTfoCands( pNode->pNtk, pNode, p->vFanins, Required, p->vLevels, p->vTfo );
-    // perform the decomposition
-    Rwr_CutDecompose( p, pNode, pCutBest, p->vForm );
-    // the best fanins are in p->vFanins, the result of decomposition is in p->vForm
     return BestGain;
 }
 
@@ -102,46 +93,113 @@ int Rwr_NodeRewrite( Rwr_Man_t * p, Abc_Obj_t * pNode )
   SeeAlso     []
 
 ***********************************************************************/
-void Rwr_CutEvaluate( Rwr_Man_t * p, Abc_Obj_t * pRoot, Rwr_Cut_t * pCut )
+Vec_Int_t * Rwr_CutEvaluate( Rwr_Man_t * p, Abc_Obj_t * pRoot, Rwr_Cut_t * pCut, int NodeMax, int LevelMax )
 {
-    Abc_Obj_t * pNode, * pFanin0, * pFanin1;
-    Rwr_Node_t * pNodeFor;
-    int i;
-    // mark forest PIs corresponding to cut leaves
-    Vec_PtrClear( p->vTfoFor );
-    for ( i = 0; i < (int)pCut->nLeaves; i++ )
+    Vec_Ptr_t Vector = {0,0,0}, * vFanins = &Vector;
+    Vec_Ptr_t * vSubgraphs;
+    Vec_Int_t * vFormBest;
+    Rwr_Node_t * pNode;
+    int GainCur, GainBest = -1, i;
+    // find the matching class of subgraphs
+    vSubgraphs = Vec_VecEntry( p->vClasses, p->pMap[pCut->uTruth] );
+    // determine the best subgraph
+    Vec_PtrForEachEntry( vSubgraphs, pNode, i )
     {
-        pNodeFor = p->vForest->pArray[i];
-        Vec_PtrPush( p->vTfoFor, pNodeFor );
-        pCut->ppLeaves[i]->pData = pNodeFor;
-        pNodeFor->fMark = 1;
+        // create the fanin array
+        vFanins->nSize  = pCut->nLeaves;
+        vFanins->pArray = pCut->ppLeaves;
+        // detect how many unlabeled nodes will be reused
+        GainCur = Abc_NodeStrashDecCount( pRoot->pNtk->pManFunc, vFanins, (Vec_Int_t *)pNode->pNext, 
+            p->vLevNums, NodeMax, LevelMax );
+        if ( GainBest < GainCur )
+        {
+            GainBest  = GainCur;
+            vFormBest = (Vec_Int_t *)pNode->pNext;
+        }
     }
-    // detect forest nodes corresponding to TFO
-    Vec_PtrForEachEntry( p->vTfo, pNode, i )
-    {
-        pFanin0 = Abc_ObjFanin0(pNode);
-        if ( pFanin0->pData == NULL )
-            continue;
-        pFanin1 = Abc_ObjFanin1(pNode);
-        if ( pFanin1->pData == NULL )
-            continue;
+    if ( GainBest == -1 )
+        return NULL;
+    pCut->Volume = GainBest;
+    return vFormBest;
+}
 
-    }
 
-    // find the best implementation of the root
+/**Function*************************************************************
+
+  Synopsis    [Adds one node.]
 
-    // assign costs
+  Description []
+               
+  SideEffects []
+
+  SeeAlso     []
 
-    // clean the nodes
-    for ( i = 0; i < (int)pCut->nLeaves; i++ )
-        pCut->ppLeaves[i]->pData = NULL;
-    Vec_PtrForEachEntry( p->vTfo, pNode, i )
-        pNode->pData = NULL;
+***********************************************************************/
+int Rwr_TravCollect_rec( Rwr_Man_t * p, Rwr_Node_t * pNode, Vec_Int_t * vForm )
+{
+    Ft_Node_t Node, NodeA, NodeB;
+    int Node0, Node1;
+    // elementary variable
+    if ( pNode->fUsed )
+        return ((pNode->Id - 1) << 1); 
+    // previously visited node
+    if ( pNode->TravId == p->nTravIds )
+        return pNode->Volume;
+    pNode->TravId = p->nTravIds;
+    // solve for children
+    Node0 = Rwr_TravCollect_rec( p, Rwr_Regular(pNode->p0), vForm );
+    Node1 = Rwr_TravCollect_rec( p, Rwr_Regular(pNode->p1), vForm );
+    // create the decomposition node(s)
+    if ( pNode->fExor )
+    {
+        assert( !Rwr_IsComplement(pNode->p0) );
+        assert( !Rwr_IsComplement(pNode->p1) );
+        NodeA.fIntern = 1;
+        NodeA.fConst  = 0;
+        NodeA.fCompl  = 0;
+        NodeA.fCompl0 = !(Node0 & 1);
+        NodeA.fCompl1 =  (Node1 & 1);
+        NodeA.iFanin0 = (Node0 >> 1);
+        NodeA.iFanin1 = (Node1 >> 1);
+        Vec_IntPush( vForm, Ft_Node2Int(NodeA) );
+
+        NodeB.fIntern = 1;
+        NodeB.fConst  = 0;
+        NodeB.fCompl  = 0;
+        NodeB.fCompl0 =  (Node0 & 1);
+        NodeB.fCompl1 = !(Node1 & 1);
+        NodeB.iFanin0 = (Node0 >> 1);
+        NodeB.iFanin1 = (Node1 >> 1);
+        Vec_IntPush( vForm, Ft_Node2Int(NodeB) );
+
+        Node.fIntern = 1;
+        Node.fConst  = 0;
+        Node.fCompl  = 0;
+        Node.fCompl0 = 1;
+        Node.fCompl1 = 1;
+        Node.iFanin0 = vForm->nSize - 2;
+        Node.iFanin1 = vForm->nSize - 1;
+        Vec_IntPush( vForm, Ft_Node2Int(Node) );
+    }
+    else
+    {
+        Node.fIntern = 1;
+        Node.fConst  = 0;
+        Node.fCompl  = 0;
+        Node.fCompl0 = Rwr_IsComplement(pNode->p0) ^ (Node0 & 1);
+        Node.fCompl1 = Rwr_IsComplement(pNode->p1) ^ (Node1 & 1);
+        Node.iFanin0 = (Node0 >> 1);
+        Node.iFanin1 = (Node1 >> 1);
+        Vec_IntPush( vForm, Ft_Node2Int(Node) );
+    }
+    // save the number of this node
+    pNode->Volume = ((vForm->nSize - 1) << 1) | pNode->fExor;
+    return pNode->Volume;
 }
 
 /**Function*************************************************************
 
-  Synopsis    [Decomposes the cut.]
+  Synopsis    [Preprocesses subgraphs rooted at this node.]
 
   Description []
                
@@ -150,11 +208,45 @@ void Rwr_CutEvaluate( Rwr_Man_t * p, Abc_Obj_t * pRoot, Rwr_Cut_t * pCut )
   SeeAlso     []
 
 ***********************************************************************/
-void Rwr_CutDecompose( Rwr_Man_t * p, Abc_Obj_t * pRoot, Rwr_Cut_t * pCut, Vec_Int_t * vForm )
+void Rwr_NodePreprocess( Rwr_Man_t * p, Rwr_Node_t * pNode )
 {
-
+    Vec_Int_t * vForm;
+    int i, Root;
+    vForm = Vec_IntAlloc( 10 );
+    for ( i = 0; i < 5; i++ )
+        Vec_IntPush( vForm, 0 );
+    // collect the nodes
+    Rwr_ManIncTravId( p );
+    Root = Rwr_TravCollect_rec( p, pNode, vForm );
+    if ( Root & 1 )
+        Ft_FactorComplement( vForm );
+    pNode->pNext = (Rwr_Node_t *)vForm;
 }
 
+/**Function*************************************************************
+
+  Synopsis    [Preprocesses computed library of subgraphs.]
+
+  Description []
+               
+  SideEffects []
+
+  SeeAlso     []
+
+***********************************************************************/
+void Rwr_ManPreprocess( Rwr_Man_t * p )
+{
+    Rwr_Node_t * pNode;
+    int i, k;
+    // put the nodes into the structure
+    p->vClasses = Vec_VecAlloc( 222 );
+    for ( i = 0; i < p->nFuncs; i++ )
+        for ( pNode = p->pTable[i]; pNode; pNode = pNode->pNext )
+            Vec_VecPush( p->vClasses, p->pMap[pNode->uTruth], pNode );
+    // compute decomposition forms for each node
+    Vec_VecForEachEntry( p->vClasses, pNode, i, k )
+        Rwr_NodePreprocess( p, pNode );
+}
 
 ////////////////////////////////////////////////////////////////////////
 ///                       END OF FILE                                ///
diff --git a/src/opt/rwr/rwrExp.c b/src/opt/rwr/rwrExp.c
index a5c355a9..e93a2611 100644
--- a/src/opt/rwr/rwrExp.c
+++ b/src/opt/rwr/rwrExp.c
@@ -69,7 +69,7 @@ void Rwt_Man4ExploreStart()
     // canonical forms
     p->nFuncs    = (1<<16);
     // canonical forms, phases, perms
-    Extra_Truth4VarNPN( &p->puCanons, NULL, NULL );
+    Extra_Truth4VarNPN( &p->puCanons, NULL, NULL, NULL );
     // counters
     p->pnCounts  = ALLOC( int, p->nFuncs );
     memset( p->pnCounts, 0, sizeof(int) * p->nFuncs );
diff --git a/src/opt/rwr/rwrLib.c b/src/opt/rwr/rwrLib.c
index a283e38f..fbcb8916 100644
--- a/src/opt/rwr/rwrLib.c
+++ b/src/opt/rwr/rwrLib.c
@@ -25,14 +25,7 @@
 ////////////////////////////////////////////////////////////////////////
 
 static Rwr_Node_t *        Rwr_ManTryNode( Rwr_Man_t * p, Rwr_Node_t * p0, Rwr_Node_t * p1, int fExor, int Level, int Volume );
-static Rwr_Node_t *        Rwr_ManAddNode( Rwr_Man_t * p, Rwr_Node_t * p0, Rwr_Node_t * p1, int fExor, int Level, int Volume );
-static int                 Rwr_ManNodeVolume( Rwr_Man_t * p, Rwr_Node_t * p0, Rwr_Node_t * p1 );
-
-static void                Rwr_ManIncTravId_int( Rwr_Man_t * p );
-static inline void         Rwr_ManIncTravId( Rwr_Man_t * p )     { if ( p->nTravIds++ == 0x8FFFFFFF ) Rwr_ManIncTravId_int( p ); }
-
 static void                Rwr_MarkUsed_rec( Rwr_Man_t * p, Rwr_Node_t * pNode );
-static void                Rwr_ListAddToTail( Rwr_Node_t ** ppList, Rwr_Node_t * pNode );
 
 ////////////////////////////////////////////////////////////////////////
 ///                     FUNCTION DEFITIONS                           ///
@@ -119,8 +112,7 @@ save :
         if ( p0->fUsed )
         {
             p->vForest->pArray[k] = p0;
-            p0->Id = k;
-            k++;
+            p0->Id = k++;
         }
     p->vForest->nSize = k;
     printf( "Total canonical = %4d. Total used = %5d.\n", nNodes, p->vForest->nSize );
@@ -128,202 +120,6 @@ save :
 
 /**Function*************************************************************
 
-  Synopsis    [Writes to file.]
-
-  Description []
-               
-  SideEffects []
-
-  SeeAlso     []
-
-***********************************************************************/
-void Rwr_ManWriteToFile( Rwr_Man_t * p, char * pFileName )
-{
-    FILE * pFile;
-    Rwr_Node_t * pNode;
-    unsigned * pBuffer;
-    int i, nEntries, clk = clock();
-    // prepare the buffer
-    nEntries = p->vForest->nSize - 5;
-    pBuffer = ALLOC( unsigned, nEntries * 2 );
-    for ( i = 0; i < nEntries; i++ )
-    {
-        pNode = p->vForest->pArray[i+5];
-        pBuffer[2*i + 0] = (Rwr_Regular(pNode->p0)->Id << 1) | Rwr_IsComplement(pNode->p0);
-        pBuffer[2*i + 1] = (Rwr_Regular(pNode->p1)->Id << 1) | Rwr_IsComplement(pNode->p1);
-        // save EXOR flag
-        pBuffer[2*i + 0] = (pBuffer[2*i + 0] << 1) | pNode->fExor;
-
-    }
-    pFile = fopen( pFileName, "wb" );
-    fwrite( &nEntries, sizeof(int), 1, pFile );
-    fwrite( pBuffer, sizeof(unsigned), nEntries * 2, pFile );
-    free( pBuffer );
-    fclose( pFile );
-    printf( "The number of nodes saved = %d.   ", nEntries );  PRT( "Saving", clock() - clk );
-}
-
-/**Function*************************************************************
-
-  Synopsis    [Loads data from file.]
-
-  Description []
-               
-  SideEffects []
-
-  SeeAlso     []
-
-***********************************************************************/
-void Rwr_ManLoadFromFile( Rwr_Man_t * p, char * pFileName )
-{
-    FILE * pFile;
-    Rwr_Node_t * p0, * p1;
-    unsigned * pBuffer;
-    int Level, Volume, nEntries, fExor;
-    int i, clk = clock();
-
-    // load the data
-    pFile = fopen( pFileName, "rb" );
-    if ( pFile == NULL )
-    {
-        printf( "Rwr_ManLoadFromFile: Cannot open file \"%s\".\n", pFileName );
-        return;
-    }
-    fread( &nEntries, sizeof(int), 1, pFile );
-    pBuffer = ALLOC( unsigned, nEntries * 2 );
-    fread( pBuffer, sizeof(unsigned), nEntries * 2, pFile );
-    fclose( pFile );
-    // reconstruct the forest
-    for ( i = 0; i < nEntries; i++ )
-    {
-        // get EXOR flag
-        fExor = (pBuffer[2*i + 0] & 1);
-        pBuffer[2*i + 0] = (pBuffer[2*i + 0] >> 1);
-        // get the nodes
-        p0 = p->vForest->pArray[pBuffer[2*i + 0] >> 1];
-        p1 = p->vForest->pArray[pBuffer[2*i + 1] >> 1];
-        // compute the level and volume of the new nodes
-        Level  = 1 + ABC_MAX( p0->Level, p1->Level );
-        Volume = 1 + Rwr_ManNodeVolume( p, p0, p1 );
-        // set the complemented attributes
-        p0 = Rwr_NotCond( p0, (pBuffer[2*i + 0] & 1) );
-        p1 = Rwr_NotCond( p1, (pBuffer[2*i + 1] & 1) );
-        // add the node
-//        Rwr_ManTryNode( p, p0, p1, Level, Volume );
-        Rwr_ManAddNode( p, p0, p1, fExor, Level, Volume + fExor );
-    }
-    free( pBuffer );
-    printf( "The number of classes = %d. Canonical nodes = %d.\n", p->nClasses, p->nAdded );
-    printf( "The number of nodes loaded = %d.   ", nEntries );  PRT( "Loading", clock() - clk );
-}
-
-/**Function*************************************************************
-
-  Synopsis    [Adds one node.]
-
-  Description []
-               
-  SideEffects []
-
-  SeeAlso     []
-
-***********************************************************************/
-void Rwr_ManIncTravId_int( Rwr_Man_t * p )
-{
-    Rwr_Node_t * pNode;
-    int i;
-    Vec_PtrForEachEntry( p->vForest, pNode, i )
-        pNode->TravId = 0;
-    p->nTravIds = 1;
-}
-
-/**Function*************************************************************
-
-  Synopsis    [Adds one node.]
-
-  Description []
-               
-  SideEffects []
-
-  SeeAlso     []
-
-***********************************************************************/
-void Rwr_MarkUsed_rec( Rwr_Man_t * p, Rwr_Node_t * pNode )
-{
-    if ( pNode->fUsed || pNode->TravId == p->nTravIds )
-        return;
-    pNode->TravId = p->nTravIds;
-    pNode->fUsed = 1;
-    Rwr_MarkUsed_rec( p, Rwr_Regular(pNode->p0) );
-    Rwr_MarkUsed_rec( p, Rwr_Regular(pNode->p1) );
-}
-
-/**Function*************************************************************
-
-  Synopsis    [Adds one node.]
-
-  Description []
-               
-  SideEffects []
-
-  SeeAlso     []
-
-***********************************************************************/
-void Rwr_Trav_rec( Rwr_Man_t * p, Rwr_Node_t * pNode, int * pVolume )
-{
-    if ( pNode->fMark || pNode->TravId == p->nTravIds )
-        return;
-    pNode->TravId = p->nTravIds;
-    (*pVolume)++;
-    if ( pNode->fExor )
-        (*pVolume)++;
-    Rwr_Trav_rec( p, Rwr_Regular(pNode->p0), pVolume );
-    Rwr_Trav_rec( p, Rwr_Regular(pNode->p1), pVolume );
-}
-
-/**Function*************************************************************
-
-  Synopsis    [Adds one node.]
-
-  Description []
-               
-  SideEffects []
-
-  SeeAlso     []
-
-***********************************************************************/
-void Rwr_Trav2_rec( Rwr_Man_t * p, Rwr_Node_t * pNode, int * pVolume )
-{
-    if ( pNode->fMark || pNode->TravId == p->nTravIds )
-        return;
-    pNode->TravId = p->nTravIds;
-    (*pVolume)++;
-    Rwr_Trav2_rec( p, Rwr_Regular(pNode->p0), pVolume );
-    Rwr_Trav2_rec( p, Rwr_Regular(pNode->p1), pVolume );
-}
-
-/**Function*************************************************************
-
-  Synopsis    [Adds one node.]
-
-  Description []
-               
-  SideEffects []
-
-  SeeAlso     []
-
-***********************************************************************/
-int Rwr_ManNodeVolume( Rwr_Man_t * p, Rwr_Node_t * p0, Rwr_Node_t * p1 )
-{
-    int Volume = 0;
-    Rwr_ManIncTravId( p );
-    Rwr_Trav_rec( p, p0, &Volume );
-    Rwr_Trav_rec( p, p1, &Volume );
-    return Volume;
-}
-
-/**Function*************************************************************
-
   Synopsis    [Adds one node.]
 
   Description []
@@ -361,6 +157,7 @@ Rwr_Node_t * Rwr_ManTryNode( Rwr_Man_t * p, Rwr_Node_t * p0, Rwr_Node_t * p1, in
 //        if ( pOld->Level <  (unsigned)Level && pOld->Volume == (unsigned)Volume )
 //            return NULL;
     }
+/*
     // enumerate through the nodes with the opposite polarity
     for ( pOld = p->pTable[~uTruth & 0xFFFF]; pOld; pOld = pOld->pNext )
     {
@@ -371,6 +168,7 @@ Rwr_Node_t * Rwr_ManTryNode( Rwr_Man_t * p, Rwr_Node_t * p0, Rwr_Node_t * p1, in
 //        if ( pOld->Level <  (unsigned)Level && pOld->Volume == (unsigned)Volume )
 //            return NULL;
     }
+*/
     // count the classes
     if ( p->pTable[uTruth] == NULL && p->puCanons[uTruth] == uTruth )
         p->nClasses++;
@@ -381,7 +179,6 @@ Rwr_Node_t * Rwr_ManTryNode( Rwr_Man_t * p, Rwr_Node_t * p0, Rwr_Node_t * p1, in
     pNew->uTruth = uTruth;
     pNew->Level  = Level;
     pNew->Volume = Volume;
-    pNew->fMark  = 0;
     pNew->fUsed  = 0;
     pNew->fExor  = fExor;
     pNew->p0     = p0;
@@ -421,7 +218,6 @@ Rwr_Node_t * Rwr_ManAddNode( Rwr_Man_t * p, Rwr_Node_t * p0, Rwr_Node_t * p1, in
     pNew->uTruth = uTruth;
     pNew->Level  = Level;
     pNew->Volume = Volume;
-    pNew->fMark  = 0;
     pNew->fUsed  = 0;
     pNew->fExor  = fExor;
     pNew->p0     = p0;
@@ -434,9 +230,9 @@ Rwr_Node_t * Rwr_ManAddNode( Rwr_Man_t * p, Rwr_Node_t * p0, Rwr_Node_t * p1, in
 
     // add to the list
     p->nAdded++;
-    if ( p->pTable[p->pMap[uTruth]] == NULL )
+    if ( p->pTable[uTruth] == NULL )
         p->nClasses++;
-    Rwr_ListAddToTail( p->pTable + p->pMap[uTruth], pNew );
+    Rwr_ListAddToTail( p->pTable + uTruth, pNew );
     return pNew;
 }
 
@@ -451,7 +247,7 @@ Rwr_Node_t * Rwr_ManAddNode( Rwr_Man_t * p, Rwr_Node_t * p0, Rwr_Node_t * p1, in
   SeeAlso     []
 
 ***********************************************************************/
-Rwr_Node_t * Rwr_ManAddVar( Rwr_Man_t * p, unsigned uTruth, char * pFileName )
+Rwr_Node_t * Rwr_ManAddVar( Rwr_Man_t * p, unsigned uTruth, int fPrecompute )
 {
     Rwr_Node_t * pNew;
     pNew = (Rwr_Node_t *)Extra_MmFixedEntryFetch( p->pMmNode );
@@ -460,45 +256,22 @@ Rwr_Node_t * Rwr_ManAddVar( Rwr_Man_t * p, unsigned uTruth, char * pFileName )
     pNew->uTruth = uTruth;
     pNew->Level  = 0;
     pNew->Volume = 0;
-    pNew->fMark  = 1;
     pNew->fUsed  = 1;
     pNew->fExor  = 0;
     pNew->p0     = NULL;
     pNew->p1     = NULL;    
     pNew->pNext  = NULL;
     Vec_PtrPush( p->vForest, pNew );
-    if ( pFileName == NULL )
+    if ( fPrecompute )
         Rwr_ListAddToTail( p->pTable + uTruth, pNew );
-//    else
-//        Rwr_ListAddToTail( p->pTable + p->pMap[uTruth], pNew );
     return pNew;
 }
 
 
-/**Function*************************************************************
-
-  Synopsis    [Adds the node to the end of the list.]
-
-  Description []
-               
-  SideEffects []
-
-  SeeAlso     []
-
-***********************************************************************/
-void Rwr_ListAddToTail( Rwr_Node_t ** ppList, Rwr_Node_t * pNode )
-{
-    Rwr_Node_t * pTemp;
-    // find the last one
-    for ( pTemp = *ppList; pTemp; pTemp = pTemp->pNext )
-        ppList = &pTemp->pNext;
-    // attach at the end
-    *ppList = pNode;
-}
 
 /**Function*************************************************************
 
-  Synopsis    [Prints one rwr node.]
+  Synopsis    [Adds one node.]
 
   Description []
                
@@ -507,85 +280,19 @@ void Rwr_ListAddToTail( Rwr_Node_t ** ppList, Rwr_Node_t * pNode )
   SeeAlso     []
 
 ***********************************************************************/
-void Rwr_NodePrint_rec( FILE * pFile, Rwr_Node_t * pNode )
+void Rwr_MarkUsed_rec( Rwr_Man_t * p, Rwr_Node_t * pNode )
 {
-    assert( !Rwr_IsComplement(pNode) );
-
-    if ( pNode->Id == 0 )
-    {
-        fprintf( pFile, "Const1" );
-        return;
-    }
-
-    if ( pNode->Id < 5 )
-    {
-        fprintf( pFile, "%c", 'a' + pNode->Id - 1 );
+    if ( pNode->fUsed || pNode->TravId == p->nTravIds )
         return;
-    }
-
-    if ( Rwr_IsComplement(pNode->p0) )
-    {
-        if ( Rwr_Regular(pNode->p0)->Id < 5 )
-        {
-            Rwr_NodePrint_rec( pFile, Rwr_Regular(pNode->p0) );
-            fprintf( pFile, "\'" );
-        }
-        else
-        {
-            fprintf( pFile, "(" );
-            Rwr_NodePrint_rec( pFile, Rwr_Regular(pNode->p0) );
-            fprintf( pFile, ")\'" );
-        }
-    }
-    else
-    {
-        if ( Rwr_Regular(pNode->p0)->Id < 5 )
-        {
-            Rwr_NodePrint_rec( pFile, Rwr_Regular(pNode->p0) );
-        }
-        else
-        {
-            fprintf( pFile, "(" );
-            Rwr_NodePrint_rec( pFile, Rwr_Regular(pNode->p0) );
-            fprintf( pFile, ")" );
-        }
-    }
-
-    if ( pNode->fExor )
-        fprintf( pFile, "+" );
-
-    if ( Rwr_IsComplement(pNode->p1) )
-    {
-        if ( Rwr_Regular(pNode->p1)->Id < 5 )
-        {
-            Rwr_NodePrint_rec( pFile, Rwr_Regular(pNode->p1) );
-            fprintf( pFile, "\'" );
-        }
-        else
-        {
-            fprintf( pFile, "(" );
-            Rwr_NodePrint_rec( pFile, Rwr_Regular(pNode->p1) );
-            fprintf( pFile, ")\'" );
-        }
-    }
-    else
-    {
-        if ( Rwr_Regular(pNode->p1)->Id < 5 )
-        {
-            Rwr_NodePrint_rec( pFile, Rwr_Regular(pNode->p1) );
-        }
-        else
-        {
-            fprintf( pFile, "(" );
-            Rwr_NodePrint_rec( pFile, Rwr_Regular(pNode->p1) );
-            fprintf( pFile, ")" );
-        }
-    }
+    pNode->TravId = p->nTravIds;
+    pNode->fUsed = 1;
+    Rwr_MarkUsed_rec( p, Rwr_Regular(pNode->p0) );
+    Rwr_MarkUsed_rec( p, Rwr_Regular(pNode->p1) );
 }
 
 /**Function*************************************************************
 
-  Synopsis    [Prints one rwr node.]
+  Synopsis    [Adds one node.]
 
   Description []
                
@@ -594,27 +301,21 @@ void Rwr_NodePrint_rec( FILE * pFile, Rwr_Node_t * pNode )
   SeeAlso     []
 
 ***********************************************************************/
-void Rwr_NodePrint( FILE * pFile, Rwr_Man_t * p, Rwr_Node_t * pNode )
+void Rwr_Trav_rec( Rwr_Man_t * p, Rwr_Node_t * pNode, int * pVolume )
 {
-    unsigned uTruth;
-    fprintf( pFile, "%5d : ", pNode->Id );
-    Extra_PrintHex( pFile, pNode->uTruth, 4 );
-    fprintf( pFile, " tt=" );
-    uTruth = pNode->uTruth;
-    Extra_PrintBinary( pFile, &uTruth, 16 );
-//    fprintf( pFile, " cn=", pNode->Id );
-//    uTruth = p->puCanons[pNode->uTruth];
-//    Extra_PrintBinary( pFile, &uTruth, 16 );
-    fprintf( pFile, " lev=%d", pNode->Level );
-    fprintf( pFile, " vol=%d", pNode->Volume );
-    fprintf( pFile, "  " );
-    Rwr_NodePrint_rec( pFile, pNode );
-    fprintf( pFile, "\n" );
+    if ( pNode->fUsed || pNode->TravId == p->nTravIds )
+        return;
+    pNode->TravId = p->nTravIds;
+    (*pVolume)++;
+    if ( pNode->fExor )
+        (*pVolume)++;
+    Rwr_Trav_rec( p, Rwr_Regular(pNode->p0), pVolume );
+    Rwr_Trav_rec( p, Rwr_Regular(pNode->p1), pVolume );
 }
 
 /**Function*************************************************************
 
-  Synopsis    [Prints one rwr node.]
+  Synopsis    [Adds one node.]
 
   Description []
                
@@ -623,58 +324,18 @@ void Rwr_NodePrint( FILE * pFile, Rwr_Man_t * p, Rwr_Node_t * pNode )
   SeeAlso     []
 
 ***********************************************************************/
-void Rwr_ManPrintFirst( Rwr_Man_t * p )
+int Rwr_ManNodeVolume( Rwr_Man_t * p, Rwr_Node_t * p0, Rwr_Node_t * p1 )
 {
-    FILE * pFile;
-    Rwr_Node_t * pNode;
-    unsigned uTruth;
-    int nFuncs;
-    int Counter;
-    int i;
-
-    pFile = fopen( "graph_lib.txt", "w" );
-
-    Counter = 0;
-    nFuncs = (1 << 16);
-    for ( i = 0; i < nFuncs; i++ )
-    {
-        if ( p->pTable[i] == NULL )
-            continue;
-        if ( i != p->puCanons[i] )
-            continue;
-
-        fprintf( pFile, "\nClass %3d  ", Counter++ );
-
-        // count the volume of the bush
-        {
-            int Volume = 0;
-            int nFuncs = 0;
-            Rwr_ManIncTravId( p );
-            for ( pNode = p->pTable[i]; pNode; pNode = pNode->pNext )
-            {
-                if ( pNode->uTruth != p->puCanons[pNode->uTruth] )
-                    continue;
-                nFuncs++;
-                Rwr_Trav2_rec( p, pNode, &Volume );
-            }
-            fprintf( pFile, "Functions = %2d. Volume = %2d. ", nFuncs, Volume );
-        }
-
-        uTruth = i;
-        Extra_PrintBinary( pFile, &uTruth, 16 );
-        fprintf( pFile, "\n" );
-
-        for ( pNode = p->pTable[i]; pNode; pNode = pNode->pNext )
-            if ( pNode->uTruth == p->puCanons[pNode->uTruth] )
-                Rwr_NodePrint( pFile, p, pNode );
-    }
-
-    fclose( pFile );
+    int Volume = 0;
+    Rwr_ManIncTravId( p );
+    Rwr_Trav_rec( p, p0, &Volume );
+    Rwr_Trav_rec( p, p1, &Volume );
+    return Volume;
 }
 
 /**Function*************************************************************
 
-  Synopsis    [Prints one rwr node.]
+  Synopsis    [Adds one node.]
 
   Description []
                
@@ -683,54 +344,17 @@ void Rwr_ManPrintFirst( Rwr_Man_t * p )
   SeeAlso     []
 
 ***********************************************************************/
-void Rwr_ManPrintNext( Rwr_Man_t * p )
+void Rwr_ManIncTravId( Rwr_Man_t * p )
 {
-    FILE * pFile;
     Rwr_Node_t * pNode;
-    unsigned uTruth;
-    int nFuncs;
-    int Counter;
     int i;
-
-    pFile = fopen( "graph_lib2.txt", "w" );
-
-    Counter = 0;
-    nFuncs = (1 << 16);
-    for ( i = 0; i < 222; i++ )
-    {
-        if ( p->pTable[i] == NULL )
-            continue;
-
-        fprintf( pFile, "\nClass %3d  ", Counter++ );
-
-        // count the volume of the bush
-        {
-            int Volume = 0;
-            int nFuncs = 0;
-            Rwr_ManIncTravId( p );
-            for ( pNode = p->pTable[i]; pNode; pNode = pNode->pNext )
-            {
-                if ( pNode->uTruth != p->puCanons[pNode->uTruth] )
-                    continue;
-                nFuncs++;
-                Rwr_Trav2_rec( p, pNode, &Volume );
-            }
-            fprintf( pFile, "Functions = %2d. Volume = %2d. ", nFuncs, Volume );
-        }
-
-        uTruth = p->pTable[i]->uTruth;
-        Extra_PrintBinary( pFile, &uTruth, 16 );
-        fprintf( pFile, "\n" );
-
-        for ( pNode = p->pTable[i]; pNode; pNode = pNode->pNext )
-            if ( pNode->uTruth == p->puCanons[pNode->uTruth] )
-                Rwr_NodePrint( pFile, p, pNode );
-    }
-
-    fclose( pFile );
+    if ( p->nTravIds++ < 0x8FFFFFFF )
+        return;
+    Vec_PtrForEachEntry( p->vForest, pNode, i )
+        pNode->TravId = 0;
+    p->nTravIds = 1;
 }
 
-
 ////////////////////////////////////////////////////////////////////////
 ///                       END OF FILE                                ///
 ////////////////////////////////////////////////////////////////////////
diff --git a/src/opt/rwr/rwrMan.c b/src/opt/rwr/rwrMan.c
index 3d40f79e..ead86b4e 100644
--- a/src/opt/rwr/rwrMan.c
+++ b/src/opt/rwr/rwrMan.c
@@ -24,34 +24,13 @@
 ///                        DECLARATIONS                              ///
 ////////////////////////////////////////////////////////////////////////
 
-// the following practical NPN classes of 4-variable functions were computed
-// by considering all 4-input cuts appearing in IWLS, MCNC, and ISCAS benchmarks
-#define RWR_NUM_CLASSES  135
-static int s_PracticalClasses[RWR_NUM_CLASSES] = {
-    0x0000, 0x0001, 0x0003, 0x0006, 0x0007, 0x000f, 0x0016, 0x0017, 0x0018, 0x0019, 0x001b, 
-    0x001e, 0x001f, 0x003c, 0x003d, 0x003f, 0x0069, 0x006b, 0x006f, 0x007e, 0x007f, 0x00ff, 
-    0x0116, 0x0118, 0x0119, 0x011a, 0x011b, 0x011e, 0x011f, 0x012c, 0x012d, 0x012f, 0x013c, 
-    0x013d, 0x013e, 0x013f, 0x0168, 0x0169, 0x016f, 0x017f, 0x0180, 0x0181, 0x0182, 0x0183, 
-    0x0186, 0x0189, 0x018b, 0x018f, 0x0198, 0x0199, 0x019b, 0x01a8, 0x01a9, 0x01aa, 0x01ab, 
-    0x01ac, 0x01ad, 0x01ae, 0x01af, 0x01bf, 0x01e9, 0x01ea, 0x01eb, 0x01ee, 0x01ef, 0x01fe, 
-    0x033c, 0x033d, 0x033f, 0x0356, 0x0357, 0x0358, 0x0359, 0x035a, 0x035b, 0x035f, 0x0368, 
-    0x0369, 0x036c, 0x036e, 0x037d, 0x03c0, 0x03c1, 0x03c3, 0x03c7, 0x03cf, 0x03d4, 0x03d5, 
-    0x03d7, 0x03d8, 0x03d9, 0x03dc, 0x03dd, 0x03de, 0x03fc, 0x0660, 0x0661, 0x0666, 0x0669, 
-    0x066f, 0x0676, 0x067e, 0x0690, 0x0696, 0x0697, 0x069f, 0x06b1, 0x06b6, 0x06f0, 0x06f2, 
-    0x06f6, 0x06f9, 0x0776, 0x0778, 0x07b0, 0x07b1, 0x07b4, 0x07bc, 0x07f0, 0x07f2, 0x07f8, 
-    0x0ff0, 0x1683, 0x1696, 0x1698, 0x169e, 0x16e9, 0x178e, 0x17e8, 0x18e7, 0x19e6, 0x1be4, 
-    0x1ee1, 0x3cc3, 0x6996 
-};
-
-static unsigned short  Rwr_FunctionPerm( unsigned uTruth, int Phase );
-
 ////////////////////////////////////////////////////////////////////////
 ///                     FUNCTION DEFITIONS                           ///
 ////////////////////////////////////////////////////////////////////////
 
 /**Function*************************************************************
 
-  Synopsis    [Starts the resynthesis manager.]
+  Synopsis    [Starts rewriting manager.]
 
   Description []
                
@@ -60,85 +39,56 @@ static unsigned short  Rwr_FunctionPerm( unsigned uTruth, int Phase );
   SeeAlso     []
 
 ***********************************************************************/
-Rwr_Man_t * Rwr_ManStart( char * pFileName )
+Rwr_Man_t * Rwr_ManStart( bool fPrecompute )
 {
     Rwr_Man_t * p;
-    int i, k, nClasses;
     int clk = clock();
-    int TableSize;
-
     p = ALLOC( Rwr_Man_t, 1 );
     memset( p, 0, sizeof(Rwr_Man_t) );
-    p->nFuncs    = (1<<16);
-    // create the table
-    TableSize = pFileName? 222: (1<<16);
-    p->pTable = ALLOC( Rwr_Node_t *, TableSize );
-    memset( p->pTable, 0, sizeof(Rwr_Node_t *) * TableSize );
+    p->nFuncs = (1<<16);
     // canonical forms, phases, perms
-    Extra_Truth4VarNPN( &p->puCanons, &p->pPhases, &p->pPerms );
-    // initialize practical classes
-    p->pPractical  = ALLOC( char, p->nFuncs );
-    memset( p->pPractical, 0, sizeof(char) * p->nFuncs );
-    for ( i = 0; i < RWR_NUM_CLASSES; i++ )
-        p->pPractical[ s_PracticalClasses[i] ] = 1;
-    // set the mapping of classes
-    nClasses = 0;
-    p->pMap = ALLOC( unsigned char, p->nFuncs );
-    for ( i = 0; i < p->nFuncs; i++ )
-    {
-        if ( i != p->puCanons[i] )
-        {
-            assert( i > p->puCanons[i] );
-            p->pMap[i] = p->pMap[p->puCanons[i]];
-            continue;
-        }
-        p->pMap[i] = nClasses++;
-    }
-    printf( "The number of NPN-canonical forms = %d.\n", nClasses );
-
-    // initialize permutations
-    for ( i = 0; i < 256; i++ )
-        for ( k = 0; k < 16; k++ )
-            p->puPerms[i][k] = Rwr_FunctionPerm( i, k );
-
-    // other stuff
-    p->nTravIds = 1;
-    p->vForest  = Vec_PtrAlloc( 100 );
-    p->vForm    = Vec_IntAlloc( 50 );
-    p->vFanins  = Vec_PtrAlloc( 50 );
-    p->vTfo     = Vec_PtrAlloc( 50 );
-    p->vTfoFor  = Vec_PtrAlloc( 50 );
-    p->vLevels  = Vec_VecAlloc( 50 );
-    p->pMmNode  = Extra_MmFixedStart( sizeof(Rwr_Node_t) );
+clk = clock();
+    Extra_Truth4VarNPN( &p->puCanons, &p->pPhases, &p->pPerms, &p->pMap );
+PRT( "NPN classes precomputation time", clock() - clk ); 
+    // initialize practical NPN classes
+    p->pPractical  = Rwr_ManGetPractical( p );
+    // create the table
+    p->pTable = ALLOC( Rwr_Node_t *, p->nFuncs );
+    memset( p->pTable, 0, sizeof(Rwr_Node_t *) * p->nFuncs );
+    // create the elementary nodes
     assert( sizeof(Rwr_Node_t) == sizeof(Rwr_Cut_t) );
-
-    // initialize forest
-    Rwr_ManAddVar( p, 0x0000, pFileName ); // constant 0
-    Rwr_ManAddVar( p, 0xAAAA, pFileName ); // var A
-    Rwr_ManAddVar( p, 0xCCCC, pFileName ); // var B
-    Rwr_ManAddVar( p, 0xF0F0, pFileName ); // var C
-    Rwr_ManAddVar( p, 0xFF00, pFileName ); // var D
+    p->pMmNode  = Extra_MmFixedStart( sizeof(Rwr_Node_t) );
+    p->vForest  = Vec_PtrAlloc( 100 );
+    Rwr_ManAddVar( p, 0x0000, fPrecompute ); // constant 0
+    Rwr_ManAddVar( p, 0xAAAA, fPrecompute ); // var A
+    Rwr_ManAddVar( p, 0xCCCC, fPrecompute ); // var B
+    Rwr_ManAddVar( p, 0xF0F0, fPrecompute ); // var C
+    Rwr_ManAddVar( p, 0xFF00, fPrecompute ); // var D
     p->nClasses = 5;
-PRT( "Manager startup time", clock() - clk ); 
-
-    // create the nodes
-    if ( pFileName == NULL )
-    {   // precompute
+    // other stuff
+    p->nTravIds = 1;
+    p->puPerms43 = Extra_TruthPerm43();
+    p->vLevNums  = Vec_IntAlloc( 50 );
+    p->vFanins   = Vec_PtrAlloc( 50 );
+    if ( fPrecompute )
+    {   // precompute subgraphs
         Rwr_ManPrecompute( p );
-        Rwr_ManWriteToFile( p, "data.aaa" );
-        Rwr_ManPrintFirst( p );
+        Rwr_ManWriteToArray( p );
+        Rwr_ManPrint( p );
     }
     else
-    {   // load previously saved nodes
-        Rwr_ManLoadFromFile( p, pFileName );
-        Rwr_ManPrintNext( p );
+    {   // load saved subgraphs
+        Rwr_ManLoadFromArray( p );
+//        Rwr_ManPrint( p );
+        Rwr_ManPreprocess( p );
+        return NULL;
     }
     return p;
 }
 
 /**Function*************************************************************
 
-  Synopsis    [Stops the resynthesis manager.]
+  Synopsis    [Stops rewriting manager.]
 
   Description []
                
@@ -149,21 +99,27 @@ PRT( "Manager startup time", clock() - clk );
 ***********************************************************************/
 void Rwr_ManStop( Rwr_Man_t * p )
 {
+    if ( p->vClasses )
+    {
+        Rwr_Node_t * pNode;
+        int i, k;
+        Vec_VecForEachEntry( p->vClasses, pNode, i, k )
+            Vec_IntFree( (Vec_Int_t *)pNode->pNext );
+    }
     if ( p->vFanNums )  Vec_IntFree( p->vFanNums );
     if ( p->vReqTimes ) Vec_IntFree( p->vReqTimes );
-    Vec_IntFree( p->vForm );
-    Vec_PtrFree( p->vFanins );
-    Vec_PtrFree( p->vTfoFor );
-    Vec_PtrFree( p->vTfo );
-    Vec_VecFree( p->vLevels );
+    if ( p->vClasses )  Vec_VecFree( p->vClasses );
     Vec_PtrFree( p->vForest );
-    Extra_MmFixedStop( p->pMmNode,   0 );
+    Vec_IntFree( p->vLevNums );
+    Vec_PtrFree( p->vFanins );
+    Extra_MmFixedStop( p->pMmNode, 0 );
+    free( p->pTable );
     free( p->pPractical );
+    free( p->puPerms43 );
     free( p->puCanons );
     free( p->pPhases );
     free( p->pPerms );
     free( p->pMap );
-    free( p->pTable );
     free( p );
 }
 
@@ -220,9 +176,10 @@ Vec_Int_t * Rwr_ManReadDecs( Rwr_Man_t * p )
     return p->vForm;
 }
 
+
 /**Function*************************************************************
 
-  Synopsis    [Computes a phase of the 3-var function.]
+  Synopsis    [Precomputes AIG subgraphs.]
 
   Description []
                
@@ -231,42 +188,13 @@ Vec_Int_t * Rwr_ManReadDecs( Rwr_Man_t * p )
   SeeAlso     []
 
 ***********************************************************************/
-unsigned short Rwr_FunctionPerm( unsigned uTruth, int Phase )
+void Rwr_Precompute()
 {
-    static int Perm[16][4] = {
-        { 0, 1, 2, 3 }, // 0000  - skip
-        { 0, 1, 2, 3 }, // 0001  - skip
-        { 1, 0, 2, 3 }, // 0010
-        { 0, 1, 2, 3 }, // 0011  - skip
-        { 2, 1, 0, 3 }, // 0100
-        { 0, 2, 1, 3 }, // 0101
-        { 2, 0, 1, 3 }, // 0110
-        { 0, 1, 2, 3 }, // 0111  - skip
-        { 3, 1, 2, 0 }, // 1000
-        { 0, 3, 2, 1 }, // 1001
-        { 3, 0, 2, 1 }, // 1010
-        { 0, 1, 3, 2 }, // 1011
-        { 2, 3, 0, 1 }, // 1100
-        { 0, 3, 1, 2 }, // 1101
-        { 3, 0, 1, 2 }, // 1110
-        { 0, 1, 2, 3 }  // 1111  - skip
-    };
-    int i, k, iRes;
-    unsigned uTruthRes;
-    assert( Phase < 16 );
-    uTruthRes = 0;
-    for ( i = 0; i < 16; i++ )
-        if ( uTruth & (1 << i) )
-        {
-            for ( iRes = 0, k = 0; k < 4; k++ )
-                if ( i & (1 << k) )
-                    iRes |= (1 << Perm[Phase][k]);
-            uTruthRes |= (1 << iRes);
-        }
-    return uTruthRes;
+    Rwr_Man_t * p;
+    p = Rwr_ManStart( 1 );
+    Rwr_ManStop( p );
 }
 
-
 ////////////////////////////////////////////////////////////////////////
 ///                       END OF FILE                                ///
 ////////////////////////////////////////////////////////////////////////
diff --git a/src/opt/rwr/rwrPrint.c b/src/opt/rwr/rwrPrint.c
new file mode 100644
index 00000000..7c0bc212
--- /dev/null
+++ b/src/opt/rwr/rwrPrint.c
@@ -0,0 +1,239 @@
+/**CFile****************************************************************
+
+  FileName    [rwrCut.c]
+
+  SystemName  [ABC: Logic synthesis and verification system.]
+
+  PackageName [DAG-aware AIG rewriting package.]
+
+  Synopsis    [Cut computation.]
+
+  Author      [Alan Mishchenko]
+  
+  Affiliation [UC Berkeley]
+
+  Date        [Ver. 1.0. Started - June 20, 2005.]
+
+  Revision    [$Id: rwrCut.c,v 1.00 2005/06/20 00:00:00 alanmi Exp $]
+
+***********************************************************************/
+
+#include "rwr.h"
+
+////////////////////////////////////////////////////////////////////////
+///                        DECLARATIONS                              ///
+////////////////////////////////////////////////////////////////////////
+
+////////////////////////////////////////////////////////////////////////
+///                     FUNCTION DEFITIONS                           ///
+////////////////////////////////////////////////////////////////////////
+ 
+/**Function*************************************************************
+
+  Synopsis    [Adds one node.]
+
+  Description []
+               
+  SideEffects []
+
+  SeeAlso     []
+
+***********************************************************************/
+void Rwr_Trav2_rec( Rwr_Man_t * p, Rwr_Node_t * pNode, int * pVolume )
+{
+    if ( pNode->fUsed || pNode->TravId == p->nTravIds )
+        return;
+    pNode->TravId = p->nTravIds;
+    (*pVolume)++;
+    Rwr_Trav2_rec( p, Rwr_Regular(pNode->p0), pVolume );
+    Rwr_Trav2_rec( p, Rwr_Regular(pNode->p1), pVolume );
+}
+
+/**Function*************************************************************
+
+  Synopsis    [Adds the node to the end of the list.]
+
+  Description []
+               
+  SideEffects []
+
+  SeeAlso     []
+
+***********************************************************************/
+void Rwr_GetBushVolume( Rwr_Man_t * p, int Entry, int * pVolume, int * pnFuncs )
+{
+    Rwr_Node_t * pNode;
+    int Volume = 0;
+    int nFuncs = 0;
+    Rwr_ManIncTravId( p );
+    for ( pNode = p->pTable[Entry]; pNode; pNode = pNode->pNext )
+    {
+        if ( pNode->uTruth != p->puCanons[pNode->uTruth] )
+            continue;
+        nFuncs++;
+        Rwr_Trav2_rec( p, pNode, &Volume );
+    }
+    *pVolume = Volume;
+    *pnFuncs = nFuncs;
+}
+
+/**Function*************************************************************
+
+  Synopsis    [Prints one rwr node.]
+
+  Description []
+               
+  SideEffects []
+
+  SeeAlso     []
+
+***********************************************************************/
+void Rwr_NodePrint_rec( FILE * pFile, Rwr_Node_t * pNode )
+{
+    assert( !Rwr_IsComplement(pNode) );
+
+    if ( pNode->Id == 0 )
+    {
+        fprintf( pFile, "Const1" );
+        return;
+    }
+
+    if ( pNode->Id < 5 )
+    {
+        fprintf( pFile, "%c", 'a' + pNode->Id - 1 );
+        return;
+    }
+
+    if ( Rwr_IsComplement(pNode->p0) )
+    {
+        if ( Rwr_Regular(pNode->p0)->Id < 5 )
+        {
+            Rwr_NodePrint_rec( pFile, Rwr_Regular(pNode->p0) );
+            fprintf( pFile, "\'" );
+        }
+        else
+        {
+            fprintf( pFile, "(" );
+            Rwr_NodePrint_rec( pFile, Rwr_Regular(pNode->p0) );
+            fprintf( pFile, ")\'" );
+        }
+    }
+    else
+    {
+        if ( Rwr_Regular(pNode->p0)->Id < 5 )
+        {
+            Rwr_NodePrint_rec( pFile, Rwr_Regular(pNode->p0) );
+        }
+        else
+        {
+            fprintf( pFile, "(" );
+            Rwr_NodePrint_rec( pFile, Rwr_Regular(pNode->p0) );
+            fprintf( pFile, ")" );
+        }
+    }
+
+    if ( pNode->fExor )
+        fprintf( pFile, "+" );
+
+    if ( Rwr_IsComplement(pNode->p1) )
+    {
+        if ( Rwr_Regular(pNode->p1)->Id < 5 )
+        {
+            Rwr_NodePrint_rec( pFile, Rwr_Regular(pNode->p1) );
+            fprintf( pFile, "\'" );
+        }
+        else
+        {
+            fprintf( pFile, "(" );
+            Rwr_NodePrint_rec( pFile, Rwr_Regular(pNode->p1) );
+            fprintf( pFile, ")\'" );
+        }
+    }
+    else
+    {
+        if ( Rwr_Regular(pNode->p1)->Id < 5 )
+        {
+            Rwr_NodePrint_rec( pFile, Rwr_Regular(pNode->p1) );
+        }
+        else
+        {
+            fprintf( pFile, "(" );
+            Rwr_NodePrint_rec( pFile, Rwr_Regular(pNode->p1) );
+            fprintf( pFile, ")" );
+        }
+    }
+}
+
+/**Function*************************************************************
+
+  Synopsis    [Prints one rwr node.]
+
+  Description []
+               
+  SideEffects []
+
+  SeeAlso     []
+
+***********************************************************************/
+void Rwr_NodePrint( FILE * pFile, Rwr_Man_t * p, Rwr_Node_t * pNode )
+{
+    unsigned uTruth;
+    fprintf( pFile, "%5d : ", pNode->Id );
+    Extra_PrintHex( pFile, pNode->uTruth, 4 );
+    fprintf( pFile, " tt=" );
+    uTruth = pNode->uTruth;
+    Extra_PrintBinary( pFile, &uTruth, 16 );
+//    fprintf( pFile, " cn=", pNode->Id );
+//    uTruth = p->puCanons[pNode->uTruth];
+//    Extra_PrintBinary( pFile, &uTruth, 16 );
+    fprintf( pFile, " lev=%d", pNode->Level );
+    fprintf( pFile, " vol=%d", pNode->Volume );
+    fprintf( pFile, "  " );
+    Rwr_NodePrint_rec( pFile, pNode );
+    fprintf( pFile, "\n" );
+}
+
+/**Function*************************************************************
+
+  Synopsis    [Prints one rwr node.]
+
+  Description []
+               
+  SideEffects []
+
+  SeeAlso     []
+
+***********************************************************************/
+void Rwr_ManPrint( Rwr_Man_t * p )
+{
+    FILE * pFile;
+    Rwr_Node_t * pNode;
+    unsigned uTruth;
+    int Counter, Volume, nFuncs, i;
+    pFile = fopen( "graph_lib.txt", "w" );
+    Counter = 0;
+    nFuncs = (1 << 16);
+    for ( i = 0; i < nFuncs; i++ )
+    {
+        if ( p->pTable[i] == NULL )
+            continue;
+        if ( i != p->puCanons[i] )
+            continue;
+        fprintf( pFile, "\nClass %3d  ", Counter++ );
+        Rwr_GetBushVolume( p, i, &Volume, &nFuncs );
+        fprintf( pFile, "Functions = %2d. Volume = %2d. ", nFuncs, Volume );
+        uTruth = i;
+        Extra_PrintBinary( pFile, &uTruth, 16 );
+        fprintf( pFile, "\n" );
+        for ( pNode = p->pTable[i]; pNode; pNode = pNode->pNext )
+            if ( pNode->uTruth == p->puCanons[pNode->uTruth] )
+                Rwr_NodePrint( pFile, p, pNode );
+    }
+    fclose( pFile );
+}
+
+////////////////////////////////////////////////////////////////////////
+///                       END OF FILE                                ///
+////////////////////////////////////////////////////////////////////////
+
+
diff --git a/src/opt/rwr/rwrUtil.c b/src/opt/rwr/rwrUtil.c
index 96d89db5..30b0cf69 100644
--- a/src/opt/rwr/rwrUtil.c
+++ b/src/opt/rwr/rwrUtil.c
@@ -24,12 +24,200 @@
 ///                        DECLARATIONS                              ///
 ////////////////////////////////////////////////////////////////////////
 
+// precomputed data
+unsigned short s_RwrPracticalClasses[];
+unsigned short s_RwtAigSubgraphs[];
+
 ////////////////////////////////////////////////////////////////////////
 ///                     FUNCTION DEFITIONS                           ///
 ////////////////////////////////////////////////////////////////////////
 
 /**Function*************************************************************
 
+  Synopsis    [Writes data.]
+
+  Description []
+               
+  SideEffects []
+
+  SeeAlso     []
+
+***********************************************************************/
+void Rwr_ManWriteToArray( Rwr_Man_t * p )
+{
+    FILE * pFile;
+    Rwr_Node_t * pNode;
+    unsigned Entry0, Entry1;
+    int i, nEntries, clk = clock();
+    // prepare the buffer
+    nEntries = p->vForest->nSize - 5;
+    pFile = fopen( "npn4_aig_array.txt", "w" );
+    fprintf( pFile, "static unsigned short s_RwtAigSubgraphs[] = \n{" );
+    for ( i = 0; i < nEntries; i++ )
+    {
+        if ( i % 5 == 0 )
+            fprintf( pFile, "\n    " );
+        pNode = p->vForest->pArray[i+5];
+        Entry0 = (Rwr_Regular(pNode->p0)->Id << 1) | Rwr_IsComplement(pNode->p0);
+        Entry1 = (Rwr_Regular(pNode->p1)->Id << 1) | Rwr_IsComplement(pNode->p1);
+        Entry0 = (Entry0 << 1) | pNode->fExor;
+        Extra_PrintHex( pFile, Entry0, 4 );
+        fprintf( pFile, "," );
+        Extra_PrintHex( pFile, Entry1, 4 );
+        fprintf( pFile, ", " );
+    }
+    if ( i % 5 == 0 )
+        fprintf( pFile, "\n    " );
+    Extra_PrintHex( pFile, 0, 4 );
+    fprintf( pFile, "," );
+    Extra_PrintHex( pFile, 0, 4 );
+    fprintf( pFile, " \n};\n" );
+    fclose( pFile );
+    printf( "The number of nodes saved = %d.   ", nEntries );  PRT( "Saving", clock() - clk );
+}
+
+/**Function*************************************************************
+
+  Synopsis    [Loads data.]
+
+  Description []
+               
+  SideEffects []
+
+  SeeAlso     []
+
+***********************************************************************/
+void Rwr_ManLoadFromArray( Rwr_Man_t * p )
+{
+    unsigned short * pArray = s_RwtAigSubgraphs;
+    Rwr_Node_t * p0, * p1;
+    unsigned Entry0, Entry1;
+    int Level, Volume, nEntries, fExor;
+    int i, clk = clock();
+
+    // reconstruct the forest
+    for ( i = 0; ; i++ )
+    {
+        Entry0 = pArray[2*i + 0];
+        Entry1 = pArray[2*i + 1];
+        if ( Entry0 == 0 && Entry1 == 0 )
+            break;
+        // get EXOR flag
+        fExor = (Entry0 & 1);
+        Entry0 >>= 1;
+        // get the nodes
+        p0 = p->vForest->pArray[Entry0 >> 1];
+        p1 = p->vForest->pArray[Entry1 >> 1];
+        // compute the level and volume of the new nodes
+        Level  = 1 + ABC_MAX( p0->Level, p1->Level );
+        Volume = 1 + Rwr_ManNodeVolume( p, p0, p1 );
+        // set the complemented attributes
+        p0 = Rwr_NotCond( p0, (Entry0 & 1) );
+        p1 = Rwr_NotCond( p1, (Entry1 & 1) );
+        // add the node
+//        Rwr_ManTryNode( p, p0, p1, Level, Volume );
+        Rwr_ManAddNode( p, p0, p1, fExor, Level, Volume + fExor );
+    }
+    nEntries = i - 1;
+    printf( "The number of classes = %d. Canonical nodes = %d.\n", p->nClasses, p->nAdded );
+    printf( "The number of nodes loaded = %d.  ", nEntries );  PRT( "Loading", clock() - clk );
+}
+
+
+/**Function*************************************************************
+
+  Synopsis    [Writes.]
+
+  Description []
+               
+  SideEffects []
+
+  SeeAlso     []
+
+***********************************************************************/
+void Rwr_ManWriteToFile( Rwr_Man_t * p, char * pFileName )
+{
+    FILE * pFile;
+    Rwr_Node_t * pNode;
+    unsigned * pBuffer;
+    int i, nEntries, clk = clock();
+    // prepare the buffer
+    nEntries = p->vForest->nSize - 5;
+    pBuffer = ALLOC( unsigned, nEntries * 2 );
+    for ( i = 0; i < nEntries; i++ )
+    {
+        pNode = p->vForest->pArray[i+5];
+        pBuffer[2*i + 0] = (Rwr_Regular(pNode->p0)->Id << 1) | Rwr_IsComplement(pNode->p0);
+        pBuffer[2*i + 1] = (Rwr_Regular(pNode->p1)->Id << 1) | Rwr_IsComplement(pNode->p1);
+        // save EXOR flag
+        pBuffer[2*i + 0] = (pBuffer[2*i + 0] << 1) | pNode->fExor;
+
+    }
+    pFile = fopen( pFileName, "wb" );
+    fwrite( &nEntries, sizeof(int), 1, pFile );
+    fwrite( pBuffer, sizeof(unsigned), nEntries * 2, pFile );
+    free( pBuffer );
+    fclose( pFile );
+    printf( "The number of nodes saved = %d.   ", nEntries );  PRT( "Saving", clock() - clk );
+}
+
+/**Function*************************************************************
+
+  Synopsis    [Loads data.]
+
+  Description []
+               
+  SideEffects []
+
+  SeeAlso     []
+
+***********************************************************************/
+void Rwr_ManLoadFromFile( Rwr_Man_t * p, char * pFileName )
+{
+    FILE * pFile;
+    Rwr_Node_t * p0, * p1;
+    unsigned * pBuffer;
+    int Level, Volume, nEntries, fExor;
+    int i, clk = clock();
+
+    // load the data
+    pFile = fopen( pFileName, "rb" );
+    if ( pFile == NULL )
+    {
+        printf( "Rwr_ManLoadFromFile: Cannot open file \"%s\".\n", pFileName );
+        return;
+    }
+    fread( &nEntries, sizeof(int), 1, pFile );
+    pBuffer = ALLOC( unsigned, nEntries * 2 );
+    fread( pBuffer, sizeof(unsigned), nEntries * 2, pFile );
+    fclose( pFile );
+    // reconstruct the forest
+    for ( i = 0; i < nEntries; i++ )
+    {
+        // get EXOR flag
+        fExor = (pBuffer[2*i + 0] & 1);
+        pBuffer[2*i + 0] = (pBuffer[2*i + 0] >> 1);
+        // get the nodes
+        p0 = p->vForest->pArray[pBuffer[2*i + 0] >> 1];
+        p1 = p->vForest->pArray[pBuffer[2*i + 1] >> 1];
+        // compute the level and volume of the new nodes
+        Level  = 1 + ABC_MAX( p0->Level, p1->Level );
+        Volume = 1 + Rwr_ManNodeVolume( p, p0, p1 );
+        // set the complemented attributes
+        p0 = Rwr_NotCond( p0, (pBuffer[2*i + 0] & 1) );
+        p1 = Rwr_NotCond( p1, (pBuffer[2*i + 1] & 1) );
+        // add the node
+//        Rwr_ManTryNode( p, p0, p1, Level, Volume );
+        Rwr_ManAddNode( p, p0, p1, fExor, Level, Volume + fExor );
+    }
+    free( pBuffer );
+    printf( "The number of classes = %d. Canonical nodes = %d.\n", p->nClasses, p->nAdded );
+    printf( "The number of nodes loaded = %d.   ", nEntries );  PRT( "Loading", clock() - clk );
+}
+
+
+/**Function*************************************************************
+
   Synopsis    [Creates the array of fanout counters.]
 
   Description []
@@ -52,8 +240,436 @@ Vec_Int_t * Rwt_NtkFanoutCounters( Abc_Ntk_t * pNtk )
     return vFanNums;
 }
 
+/**Function*************************************************************
+
+  Synopsis    [Adds the node to the end of the list.]
+
+  Description []
+               
+  SideEffects []
+
+  SeeAlso     []
+
+***********************************************************************/
+void Rwr_ListAddToTail( Rwr_Node_t ** ppList, Rwr_Node_t * pNode )
+{
+    Rwr_Node_t * pTemp;
+    // find the last one
+    for ( pTemp = *ppList; pTemp; pTemp = pTemp->pNext )
+        ppList = &pTemp->pNext;
+    // attach at the end
+    *ppList = pNode;
+}
+
+/**Function*************************************************************
+
+  Synopsis    [Create practical classes.]
+
+  Description []
+               
+  SideEffects []
+
+  SeeAlso     []
+
+***********************************************************************/
+char * Rwr_ManGetPractical( Rwr_Man_t * p )
+{
+    char * pPractical;
+    int i;
+    pPractical = ALLOC( char, p->nFuncs );
+    memset( pPractical, 0, sizeof(char) * p->nFuncs );
+    pPractical[0] = 1;
+    for ( i = 1; ; i++ )
+    {
+        if ( s_RwrPracticalClasses[i] == 0 )
+            break;
+        pPractical[ s_RwrPracticalClasses[i] ] = 1;
+    }
+    return pPractical;
+}
+
 ////////////////////////////////////////////////////////////////////////
 ///                       END OF FILE                                ///
 ////////////////////////////////////////////////////////////////////////
 
+// the following 135 practical NPN classes of 4-variable functions were computed
+// by considering all 4-input cuts appearing in IWLS, MCNC, and ISCAS benchmarks
+static unsigned short s_RwrPracticalClasses[] = 
+{
+    0x0000, 0x0001, 0x0003, 0x0006, 0x0007, 0x000f, 0x0016, 0x0017, 0x0018, 0x0019, 0x001b, 
+    0x001e, 0x001f, 0x003c, 0x003d, 0x003f, 0x0069, 0x006b, 0x006f, 0x007e, 0x007f, 0x00ff, 
+    0x0116, 0x0118, 0x0119, 0x011a, 0x011b, 0x011e, 0x011f, 0x012c, 0x012d, 0x012f, 0x013c, 
+    0x013d, 0x013e, 0x013f, 0x0168, 0x0169, 0x016f, 0x017f, 0x0180, 0x0181, 0x0182, 0x0183, 
+    0x0186, 0x0189, 0x018b, 0x018f, 0x0198, 0x0199, 0x019b, 0x01a8, 0x01a9, 0x01aa, 0x01ab, 
+    0x01ac, 0x01ad, 0x01ae, 0x01af, 0x01bf, 0x01e9, 0x01ea, 0x01eb, 0x01ee, 0x01ef, 0x01fe, 
+    0x033c, 0x033d, 0x033f, 0x0356, 0x0357, 0x0358, 0x0359, 0x035a, 0x035b, 0x035f, 0x0368, 
+    0x0369, 0x036c, 0x036e, 0x037d, 0x03c0, 0x03c1, 0x03c3, 0x03c7, 0x03cf, 0x03d4, 0x03d5, 
+    0x03d7, 0x03d8, 0x03d9, 0x03dc, 0x03dd, 0x03de, 0x03fc, 0x0660, 0x0661, 0x0666, 0x0669, 
+    0x066f, 0x0676, 0x067e, 0x0690, 0x0696, 0x0697, 0x069f, 0x06b1, 0x06b6, 0x06f0, 0x06f2, 
+    0x06f6, 0x06f9, 0x0776, 0x0778, 0x07b0, 0x07b1, 0x07b4, 0x07bc, 0x07f0, 0x07f2, 0x07f8, 
+    0x0ff0, 0x1683, 0x1696, 0x1698, 0x169e, 0x16e9, 0x178e, 0x17e8, 0x18e7, 0x19e6, 0x1be4, 
+    0x1ee1, 0x3cc3, 0x6996, 0x0000
+};
+
+static unsigned short s_RwtAigSubgraphs[] = 
+{
+    0x0008,0x0002, 0x000a,0x0002, 0x0008,0x0003, 0x000a,0x0003, 0x0009,0x0002, 
+    0x000c,0x0002, 0x000e,0x0002, 0x000c,0x0003, 0x000e,0x0003, 0x000d,0x0002, 
+    0x000c,0x0004, 0x000e,0x0004, 0x000c,0x0005, 0x000e,0x0005, 0x000d,0x0004, 
+    0x0010,0x0002, 0x0012,0x0002, 0x0010,0x0003, 0x0012,0x0003, 0x0011,0x0002, 
+    0x0010,0x0004, 0x0012,0x0004, 0x0010,0x0005, 0x0012,0x0005, 0x0011,0x0004, 
+    0x0010,0x0006, 0x0012,0x0006, 0x0010,0x0007, 0x0012,0x0007, 0x0011,0x0006, 
+    0x0016,0x0005, 0x0014,0x0006, 0x0016,0x0006, 0x0014,0x0007, 0x0016,0x0007, 
+    0x0015,0x0006, 0x0014,0x0008, 0x0016,0x0008, 0x0014,0x0009, 0x0016,0x0009, 
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+    0x0259,0x0086, 0x0258,0x00c7, 0x0258,0x00df, 0x0259,0x00ec, 0x0258,0x00fc, 
+    0x025d,0x0024, 0x025d,0x00de, 0x0260,0x00f6, 0x0268,0x0009, 0x0269,0x0044, 
+    0x0268,0x00f3, 0x0268,0x00f9, 0x026d,0x003a, 0x0270,0x0068, 0x0275,0x003a, 
+    0x027a,0x0044, 0x0279,0x0044, 0x027e,0x007e, 0x0281,0x0044, 0x0285,0x0008, 
+    0x028d,0x0006, 0x028d,0x00d2, 0x0295,0x00cc, 0x0296,0x00f6, 0x0295,0x00f8, 
+    0x0299,0x0030, 0x029e,0x007e, 0x029d,0x0080, 0x02a6,0x008f, 0x02a6,0x0095, 
+    0x02aa,0x0029, 0x02aa,0x0030, 0x02b5,0x0008, 0x02b9,0x003a, 0x02bd,0x0004, 
+    0x02bd,0x00fc, 0x02c2,0x00b2, 0x02c1,0x00b4, 0x02c4,0x0029, 0x02c8,0x0029, 
+    0x02c8,0x0033, 0x02ca,0x003d, 0x02ce,0x0029, 0x02ce,0x0030, 0x02d2,0x0068, 
+    0x02d1,0x006a, 0x02d5,0x006a, 0x02d9,0x0008, 0x02de,0x012c, 0x02e2,0x012c, 
+    0x02e4,0x0009, 0x02e5,0x002a, 0x02e5,0x0056, 0x02e5,0x012c, 0x02ea,0x0029, 
+    0x02ea,0x0030, 0x02e9,0x0030, 0x02ec,0x0029, 0x02ec,0x0030, 0x02ee,0x012c, 
+    0x02f1,0x0068, 0x02f1,0x00b2, 0x02f1,0x0108, 0x02f1,0x012c, 0x02f6,0x0013, 
+    0x02f6,0x0015, 0x02f6,0x001f, 0x02f6,0x0030, 0x02f6,0x0065, 0x02f6,0x0067, 
+    0x02f6,0x009f, 0x02f6,0x00b6, 0x02f6,0x00b9, 0x02f6,0x00c0, 0x02f6,0x00cf, 
+    0x02f6,0x0107, 0x02f6,0x010b, 0x02f6,0x010f, 0x02f6,0x0115, 0x02f6,0x012d, 
+    0x02f6,0x0134, 0x02f6,0x0153, 0x02f6,0x0171, 0x02f6,0x0176, 0x02f8,0x0003, 
+    0x02fa,0x017b, 0x02fc,0x00ba, 0x02fc,0x00d3, 0x0302,0x0013, 0x0302,0x001f, 
+    0x0302,0x0030, 0x0302,0x005d, 0x0302,0x0065, 0x0302,0x0067, 0x0302,0x0099, 
+    0x0302,0x009f, 0x0302,0x00ad, 0x0302,0x00b9, 0x0302,0x00c0, 0x0302,0x00cf, 
+    0x0301,0x00d2, 0x0301,0x00fe, 0x0302,0x0107, 0x0302,0x010b, 0x0302,0x010f, 
+    0x0302,0x0117, 0x0302,0x0134, 0x0302,0x0153, 0x0302,0x0157, 0x0302,0x0176, 
+    0x0306,0x0029, 0x0308,0x00b2, 0x0309,0x00dc, 0x030d,0x00f8, 0x0312,0x00f3, 
+    0x0318,0x007e, 0x031d,0x0080, 0x0321,0x0008, 0x0321,0x0094, 0x0326,0x017b, 
+    0x0326,0x0181, 0x0329,0x012e, 0x032a,0x017b, 0x032a,0x0181, 0x032e,0x008f, 
+    0x032e,0x0095, 0x032e,0x00f3, 0x032e,0x00f9, 0x0332,0x0009, 0x0331,0x0008, 
+    0x0330,0x003d, 0x0330,0x0044, 0x0330,0x0053, 0x0332,0x008f, 0x0332,0x0095, 
+    0x0330,0x00b1, 0x0332,0x00f3, 0x0332,0x00f9, 0x0330,0x0127, 0x0332,0x017b, 
+    0x0332,0x0181, 0x033c,0x0013, 0x033c,0x001c, 0x033d,0x0086, 0x033d,0x00ec, 
+    0x033d,0x0172, 0x033e,0x019d, 0x0345,0x0002, 0x0344,0x008f, 0x0344,0x00f3, 
+    0x034d,0x0030, 0x0352,0x0033, 0x0354,0x0029, 0x0354,0x0030, 0x035a,0x0009, 
+    0x035a,0x017b, 0x035a,0x019b, 0x035a,0x01a2, 0x035e,0x0181, 0x0360,0x0009, 
+    0x0366,0x0009, 0x0364,0x0029, 0x0364,0x0030, 0x0364,0x0033, 0x0364,0x003a, 
+    0x0364,0x003d, 0x0364,0x0044, 0x0369,0x0030, 0x0370,0x0029, 0x0370,0x0030, 
+    0x0376,0x0033, 0x037a,0x0009, 0x037a,0x019b, 0x037a,0x01a2, 0x037c,0x0009, 
+    0x0382,0x0181, 0x0386,0x0009, 0x0384,0x0029, 0x0384,0x0030, 0x0384,0x0033, 
+    0x0384,0x003a, 0x0384,0x003d, 0x0384,0x0044, 0x038a,0x0044, 0x038a,0x009e, 
+    0x038a,0x0106, 0x038a,0x0198, 0x038d,0x010e, 0x038d,0x0152, 0x038d,0x0158, 
+    0x0392,0x009e, 0x0392,0x0106, 0x0392,0x0198, 0x0395,0x0086, 0x0395,0x009a, 
+    0x0395,0x00ec, 0x0395,0x0172, 0x0398,0x014e, 0x0398,0x0175, 0x0398,0x018d, 
+    0x039c,0x0023, 0x039c,0x0027, 0x039c,0x00ef, 0x039c,0x0139, 0x039c,0x0168, 
+    0x03a0,0x0019, 0x03a0,0x001d, 0x03a0,0x0023, 0x03a0,0x0027, 0x03a1,0x004e, 
+    0x03a4,0x0162, 0x03a4,0x0183, 0x03a8,0x0013, 0x03a8,0x0027, 0x03a8,0x0133, 
+    0x03a8,0x0148, 0x03a8,0x0181, 0x03ac,0x0013, 0x03ac,0x0027, 0x03b0,0x017b, 
+    0x03b0,0x0181, 0x03b4,0x004b, 0x03b4,0x00e0, 0x03b4,0x00fb, 0x03b8,0x000f, 
+    0x03b8,0x0013, 0x03b8,0x00ab, 0x03b8,0x00bf, 0x03b8,0x00d0, 0x03bd,0x00da, 
+    0x03bd,0x012c, 0x03c8,0x000f, 0x03c8,0x0013, 0x03c8,0x0019, 0x03c8,0x001d, 
+    0x03cd,0x0086, 0x03cd,0x00ec, 0x03cd,0x0172, 0x03d2,0x00e0, 0x03d2,0x00ef, 
+    0x03d2,0x0112, 0x03d2,0x0139, 0x03d2,0x0168, 0x03d6,0x017b, 0x03d6,0x0181, 
+    0x03da,0x0133, 0x03da,0x0148, 0x03e2,0x0023, 0x03e2,0x0027, 0x03e6,0x0027, 
+    0x03e6,0x0181, 0x03ee,0x017b, 0x03ee,0x0181, 0x03fe,0x003d, 0x0401,0x012a, 
+    0x0401,0x019e, 0x0405,0x01a0, 0x040a,0x000d, 0x040a,0x011f, 0x040a,0x016f, 
+    0x040d,0x012a, 0x0412,0x017b, 0x041a,0x0033, 0x041a,0x003d, 0x041a,0x0181, 
+    0x0421,0x0086, 0x0421,0x009a, 0x0421,0x00ec, 0x0421,0x0172, 0x042e,0x0205, 
+    0x043a,0x0205, 0x043e,0x017b, 0x0442,0x01f5, 0x044c,0x0007, 0x0452,0x0033, 
+    0x0452,0x01ce, 0x0452,0x01d0, 0x0452,0x01f1, 0x0452,0x01fb, 0x0452,0x0225, 
+    0x0454,0x0005, 0x045a,0x0033, 0x045a,0x0181, 0x045a,0x01ce, 0x045a,0x01d0, 
+    0x045a,0x01f1, 0x0469,0x01de, 0x046e,0x0181, 0x047a,0x01ce, 0x047a,0x01f1, 
+    0x0485,0x012c, 0x0489,0x012c, 0x0490,0x01d8, 0x0496,0x0033, 0x0496,0x003d, 
+    0x0498,0x008f, 0x0498,0x00f3, 0x049e,0x0044, 0x049e,0x0221, 0x04a1,0x0006, 
+    0x04a2,0x0044, 0x04a6,0x0221, 0x04a9,0x0004, 0x04ac,0x0027, 0x04b1,0x009a, 
+    0x04b6,0x0097, 0x04b8,0x0027, 0x04c6,0x0219, 0x04ca,0x017b, 0x04cc,0x004b, 
+    0x04d0,0x00ab, 0x04d6,0x017b, 0x04d8,0x000f, 0x04d8,0x0019, 0x04d8,0x0033, 
+    0x04d8,0x003d, 0x04de,0x003d, 0x04de,0x0103, 0x04de,0x018b, 0x04de,0x0231, 
+    0x04e2,0x0044, 0x04e2,0x009e, 0x04e2,0x0106, 0x04e2,0x0198, 0x04e5,0x01a4, 
+    0x04e5,0x01b6, 0x04ea,0x009e, 0x04ea,0x0106, 0x04ea,0x0198, 0x04ed,0x002e, 
+    0x04ed,0x0038, 0x04ed,0x00a2, 0x04f1,0x0086, 0x04f1,0x009a, 0x04f1,0x00ec, 
+    0x04f1,0x0172, 0x04f9,0x004e, 0x04f8,0x0229, 0x04f8,0x022d, 0x0500,0x023e, 
+    0x0504,0x0217, 0x0510,0x00f3, 0x0514,0x0043, 0x0514,0x004d, 0x0514,0x00c3, 
+    0x0514,0x013d, 0x0514,0x0215, 0x0514,0x0232, 0x0515,0x0260, 0x0519,0x002a, 
+    0x0518,0x0030, 0x0518,0x0067, 0x0518,0x00c9, 0x0518,0x01eb, 0x0518,0x01ef, 
+    0x051c,0x0139, 0x051c,0x0168, 0x0520,0x0027, 0x0526,0x014e, 0x0526,0x0175, 
+    0x0526,0x018d, 0x052d,0x0200, 0x0532,0x0021, 0x0532,0x00bf, 0x0532,0x00d0, 
+    0x0532,0x0239, 0x0532,0x0266, 0x053d,0x0024, 0x053d,0x00da, 0x054a,0x000f, 
+    0x054a,0x00ab, 0x054a,0x023a, 0x054e,0x0043, 0x054e,0x004d, 0x054e,0x00c3, 
+    0x054e,0x013d, 0x054e,0x0215, 0x054e,0x0232, 0x054e,0x029d, 0x0552,0x014e, 
+    0x0552,0x018d, 0x0556,0x00f3, 0x0556,0x01e4, 0x055a,0x0299, 0x055d,0x0086, 
+    0x055d,0x009a, 0x055d,0x00ec, 0x055d,0x0172, 0x0566,0x01dc, 0x0566,0x02a5, 
+    0x056d,0x020a, 0x057a,0x003d, 0x057a,0x01d4, 0x057a,0x01f3, 0x0579,0x025e, 
+    0x057e,0x0139, 0x057e,0x0168, 0x0581,0x0006, 0x0586,0x017b, 0x0586,0x0181, 
+    0x0586,0x028c, 0x0588,0x0007, 0x058e,0x0033, 0x058e,0x008f, 0x058e,0x01d0, 
+    0x058e,0x027c, 0x0590,0x0003, 0x0596,0x0033, 0x0596,0x008f, 0x0596,0x0095, 
+    0x0596,0x01d0, 0x0596,0x027c, 0x05a2,0x026f, 0x05a5,0x0284, 0x05aa,0x017b, 
+    0x05ac,0x0205, 0x05b2,0x008f, 0x05b6,0x017b, 0x05b8,0x01da, 0x05c1,0x0276, 
+    0x05c6,0x0248, 0x05c8,0x0247, 0x05c8,0x027e, 0x05cc,0x003d, 0x05cc,0x01d4, 
+    0x05cc,0x01f3, 0x05d0,0x014e, 0x05d0,0x018d, 0x05da,0x00f9, 0x05dd,0x0006, 
+    0x05de,0x0044, 0x05e5,0x002e, 0x05e6,0x02f1, 0x05ea,0x01d4, 0x05ea,0x01f3, 
+    0x05ea,0x022d, 0x05ed,0x0002, 0x05f6,0x0027, 0x05fa,0x0097, 0x05fc,0x003d, 
+    0x0602,0x003d, 0x0606,0x00f3, 0x060a,0x0027, 0x060e,0x003d, 0x060e,0x0103, 
+    0x060e,0x018b, 0x060e,0x0231, 0x060e,0x02d1, 0x0611,0x01fc, 0x0611,0x0234, 
+    0x061a,0x0287, 0x061d,0x0214, 0x0621,0x01d4, 0x062a,0x0027, 0x062a,0x022d, 
+    0x062e,0x009e, 0x062e,0x0106, 0x062e,0x0198, 0x0632,0x009e, 0x0632,0x0106, 
+    0x0632,0x0198, 0x0639,0x0042, 0x0639,0x00b2, 0x0639,0x0108, 0x063d,0x01f8, 
+    0x0641,0x0086, 0x0641,0x009a, 0x0641,0x00ec, 0x0641,0x0172, 0x0645,0x0044, 
+    0x0649,0x0042, 0x0648,0x0087, 0x0648,0x00ed, 0x0648,0x0173, 0x0649,0x01a0, 
+    0x0648,0x0241, 0x0648,0x026f, 0x0648,0x02df, 0x0648,0x0307, 0x064c,0x023a, 
+    0x064c,0x02b3, 0x0651,0x0062, 0x0650,0x0217, 0x0651,0x02ac, 0x0650,0x02d6, 
+    0x0655,0x0042, 0x065d,0x0042, 0x0664,0x02b1, 0x0664,0x02ce, 0x0669,0x0238, 
+    0x066d,0x002a, 0x066c,0x0039, 0x066d,0x01f6, 0x066c,0x0213, 0x066c,0x022e, 
+    0x066d,0x02a2, 0x066c,0x02e1, 0x0671,0x002a, 0x0670,0x0030, 0x0670,0x0067, 
+    0x0670,0x00c9, 0x0670,0x01eb, 0x0670,0x01ef, 0x0670,0x02c3, 0x0675,0x0020, 
+    0x0678,0x0133, 0x0678,0x0148, 0x067c,0x0027, 0x0681,0x023a, 0x0684,0x0021, 
+    0x0684,0x00bf, 0x0684,0x00d0, 0x0689,0x01fc, 0x068e,0x0162, 0x068e,0x0183, 
+    0x0691,0x0200, 0x0696,0x0023, 0x0696,0x00e0, 0x0696,0x00fb, 0x0696,0x0268, 
+    0x069a,0x0282, 0x069d,0x007e, 0x06a2,0x004b, 0x06a2,0x023e, 0x06a2,0x02dc, 
+    0x06a6,0x0097, 0x06aa,0x02b1, 0x06aa,0x02ce, 0x06ae,0x0039, 0x06ae,0x0213, 
+    0x06ae,0x022e, 0x06ae,0x02e1, 0x06b2,0x0162, 0x06b2,0x0183, 0x06b6,0x0023, 
+    0x06b6,0x00e0, 0x06b6,0x00fb, 0x06ba,0x008f, 0x06ba,0x01e4, 0x06be,0x034b, 
+    0x06c1,0x0086, 0x06c1,0x009a, 0x06c1,0x00ec, 0x06c1,0x0172, 0x06c6,0x01da, 
+    0x06c6,0x0280, 0x06c6,0x0351, 0x06ce,0x008f, 0x06d2,0x01e3, 0x06d2,0x0287, 
+    0x06d2,0x0353, 0x06d6,0x027a, 0x06d6,0x029b, 0x06da,0x0033, 0x06da,0x01ce, 
+    0x06da,0x01f1, 0x06de,0x0133, 0x06de,0x0148, 0x06e2,0x0021, 0x06e2,0x00bf, 
+    0x06e2,0x00d0, 0x06e5,0x023a, 0x06e9,0x0004, 0x06ee,0x028c, 0x06ee,0x0338, 
+    0x06f2,0x0328, 0x06f2,0x0330, 0x06f4,0x0005, 0x06f9,0x01e0, 0x06fe,0x0328, 
+    0x06fe,0x0330, 0x0702,0x003d, 0x0702,0x00f3, 0x0702,0x0330, 0x0704,0x0003, 
+    0x070a,0x003d, 0x070a,0x00f3, 0x070a,0x01d4, 0x070a,0x01f3, 0x070a,0x0330, 
+    0x0711,0x032a, 0x0711,0x032e, 0x0716,0x003d, 0x0718,0x0205, 0x0718,0x0282, 
+    0x071e,0x00f3, 0x0720,0x01dc, 0x0720,0x02a5, 0x0726,0x0324, 0x072a,0x028a, 
+    0x072a,0x02a7, 0x0729,0x031c, 0x0729,0x032a, 0x072e,0x003d, 0x072e,0x00f9, 
+    0x072e,0x022d, 0x072e,0x0248, 0x072e,0x02e4, 0x0730,0x003d, 0x0730,0x0247, 
+    0x0730,0x02e3, 0x0730,0x0324, 0x0732,0x0324, 0x0739,0x032e, 0x073e,0x003d, 
+    0x0740,0x003d, 0x0744,0x027a, 0x0744,0x029b, 0x0748,0x0033, 0x0748,0x01ce, 
+    0x0748,0x01f1, 0x074c,0x0162, 0x074c,0x0183, 0x0750,0x0023, 0x0750,0x00e0, 
+    0x0750,0x00fb, 0x0755,0x0246, 0x075a,0x0095, 0x075a,0x0397, 0x075d,0x0004, 
+    0x076a,0x03b3, 0x076d,0x0002, 0x0772,0x02fb, 0x0772,0x0301, 0x0772,0x0315, 
+    0x0772,0x0397, 0x0776,0x008f, 0x077e,0x0027, 0x078a,0x00a1, 0x0792,0x009d, 
+    0x0792,0x00c3, 0x0792,0x02fb, 0x0792,0x0301, 0x0792,0x0315, 0x0792,0x03bd, 
+    0x0796,0x0027, 0x0796,0x024f, 0x079e,0x009d, 0x07a6,0x009d, 0x07a6,0x02fb, 
+    0x07a6,0x0301, 0x07a6,0x0315, 0x07a6,0x03bd, 0x07aa,0x0027, 0x07aa,0x024f, 
+    0x07ae,0x009d, 0x07b9,0x004e, 0x07b8,0x0087, 0x07b8,0x00ed, 0x07b8,0x0173, 
+    0x07b8,0x0197, 0x07b9,0x021a, 0x07b9,0x02b8, 0x07b9,0x0364, 0x07be,0x0029, 
+    0x07be,0x0030, 0x07c0,0x017b, 0x07c6,0x017b, 0x07c8,0x00f3, 0x07ce,0x00f3, 
+    0x07d0,0x008f, 0x07d6,0x008f, 0x07d9,0x01e8, 0x07dd,0x0292, 0x07e2,0x0053, 
+    0x07e6,0x008f, 0x07e6,0x00f3, 0x07e6,0x017b, 0x07e8,0x0029, 0x07e8,0x0030, 
+    0x07ec,0x0021, 0x07ec,0x02ad, 0x07f2,0x0181, 0x07f2,0x0315, 0x07f4,0x0021, 
+    0x07f8,0x020f, 0x07fd,0x002e, 0x0800,0x008f, 0x0805,0x0006, 0x0809,0x03c2, 
+    0x080d,0x0084, 0x0812,0x0009, 0x0811,0x0008, 0x0812,0x00f3, 0x0812,0x00f9, 
+    0x0812,0x017b, 0x0812,0x0181, 0x0814,0x0033, 0x0818,0x0023, 0x081c,0x0285, 
+    0x0826,0x03bd, 0x082c,0x008f, 0x082c,0x017b, 0x0832,0x0043, 0x0832,0x011b, 
+    0x0832,0x01b3, 0x0832,0x01c3, 0x0835,0x032a, 0x0838,0x0085, 0x0839,0x032a, 
+    0x083e,0x0049, 0x083d,0x0084, 0x083e,0x02fb, 0x083e,0x0301, 0x083e,0x0315, 
+    0x083e,0x0397, 0x0842,0x0009, 0x0841,0x0008, 0x0844,0x0009, 0x0846,0x008f, 
+    0x084a,0x0033, 0x084e,0x0285, 0x0851,0x009a, 0x0856,0x00a1, 0x0859,0x031c, 
+    0x085d,0x00b2, 0x0861,0x0012, 0x0861,0x02cc, 0x0865,0x0058, 0x0865,0x007e, 
+    0x0869,0x004a, 0x0871,0x0010, 0x0876,0x003d, 0x0879,0x032c, 0x087e,0x0089, 
+    0x0882,0x0229, 0x0882,0x022d, 0x0882,0x02c7, 0x0882,0x02cb, 0x0886,0x0021, 
+    0x0886,0x02ad, 0x0885,0x0356, 0x088a,0x0017, 0x088a,0x020f, 0x0889,0x0354, 
+    0x088d,0x009c, 0x0892,0x0089, 0x0895,0x0246, 0x089a,0x03bd, 0x089e,0x008f, 
+    0x089e,0x02f9, 0x089e,0x0313, 0x08a1,0x032a, 0x08a6,0x0053, 0x08a6,0x0095, 
+    0x08a6,0x0397, 0x08a8,0x017b, 0x08ad,0x031a, 0x08b2,0x017b, 0x08b4,0x00f3, 
+    0x08b5,0x02a0, 0x08b8,0x0089, 0x08c1,0x0024, 0x08c4,0x00f3, 0x08c9,0x007e, 
+    0x08cd,0x007c, 0x08cd,0x0222, 0x08cd,0x0294, 0x08d1,0x003a, 0x08d6,0x0009, 
+    0x08d9,0x003a, 0x08dc,0x001f, 0x08e0,0x008f, 0x08e0,0x017b, 0x08e4,0x0009, 
+    0x08e8,0x01ed, 0x08ed,0x031c, 0x08f2,0x003d, 0x08f6,0x008f, 0x08f6,0x017b, 
+    0x08fa,0x0009, 0x08fe,0x003d, 0x0902,0x01e9, 0x0904,0x01e9, 0x0904,0x0381, 
+    0x090a,0x03b1, 0x090d,0x031a, 0x0910,0x0299, 0x0914,0x034b, 0x0919,0x0008, 
+    0x091c,0x0033, 0x091c,0x003d, 0x0920,0x0027, 0x0924,0x0027, 0x0924,0x01fb, 
+    0x092a,0x01ce, 0x092a,0x01f1, 0x092d,0x031c, 0x0930,0x001f, 0x0936,0x00c5, 
+    0x0938,0x00c5, 0x0938,0x0381, 0x093c,0x001b, 0x0942,0x017d, 0x094a,0x0027, 
+    0x094e,0x0027, 0x094e,0x01fb, 0x0952,0x03b1, 0x095a,0x0029, 0x095a,0x0030, 
+    0x095d,0x0030, 0x0961,0x0030, 0x0966,0x02f9, 0x0966,0x0313, 0x0968,0x02eb, 
+    0x096d,0x0008, 0x0970,0x017b, 0x0974,0x0033, 0x0979,0x0150, 0x097d,0x009a, 
+    0x0982,0x0293, 0x0984,0x0293, 0x0984,0x0379, 0x098a,0x02eb, 0x098e,0x0009, 
+    0x0992,0x003d, 0x0996,0x003d, 0x0999,0x0062, 0x099e,0x003d, 0x09a0,0x0027, 
+    0x09a5,0x0144, 0x09a8,0x02b5, 0x09ae,0x008f, 0x09ae,0x009d, 0x09b2,0x004d, 
+    0x09b2,0x0053, 0x09b2,0x00c3, 0x09b2,0x013d, 0x09b2,0x01c5, 0x09b2,0x0271, 
+    0x09b4,0x0025, 0x09ba,0x0033, 0x09ba,0x0079, 0x09bc,0x0015, 0x09c2,0x013f, 
+    0x09c4,0x013f, 0x09c4,0x0379, 0x09ca,0x02b5, 0x09cd,0x0006, 0x09da,0x0009, 
+    0x09d9,0x0008, 0x09dc,0x000b, 0x09dc,0x004f, 0x09dd,0x0086, 0x09e0,0x0009, 
+    0x09e6,0x00a1, 0x09e8,0x0009, 0x09ed,0x0086, 0x09f2,0x001f, 0x09f2,0x002f, 
+    0x09f2,0x0049, 0x09f2,0x006f, 0x09f2,0x0085, 0x09f2,0x0091, 0x09f2,0x00a9, 
+    0x09f2,0x00d3, 0x09f2,0x00d7, 0x09f2,0x011d, 0x09f2,0x0121, 0x09f2,0x0235, 
+    0x09f2,0x0393, 0x09f6,0x0324, 0x09f8,0x0049, 0x09f8,0x00a9, 0x09f8,0x011d, 
+    0x09fe,0x001f, 0x09fe,0x0029, 0x09fe,0x0033, 0x09fe,0x003d, 0x09fe,0x0085, 
+    0x09fe,0x008f, 0x09fe,0x00d3, 0x0a00,0x003d, 0x0a06,0x012d, 0x0a0e,0x00b3, 
+    0x0a10,0x000b, 0x0a10,0x0387, 0x0a16,0x0059, 0x0a18,0x0009, 0x0a1e,0x0043, 
+    0x0a24,0x0085, 0x0a2a,0x0009, 0x0a2d,0x0008, 0x0a32,0x028a, 0x0a32,0x02a7, 
+    0x0a31,0x031c, 0x0a35,0x032e, 0x0a39,0x0006, 0x0a3a,0x0105, 0x0a3a,0x024f, 
+    0x0a3c,0x0299, 0x0a42,0x01ed, 0x0a46,0x0299, 0x0a48,0x01ed, 0x0a4c,0x0059, 
+    0x0a52,0x000b, 0x0a52,0x0387, 0x0a56,0x000b, 0x0a5e,0x0009, 0x0a60,0x003d, 
+    0x0a66,0x0105, 0x0a6a,0x0195, 0x0a6c,0x000b, 0x0a76,0x0053, 0x0a78,0x0009, 
+    0x0a7a,0x008f, 0x0a82,0x0299, 0x0a86,0x01ed, 0x0a8a,0x0027, 0x0a8e,0x004b, 
+    0x0a92,0x003d, 0x0a95,0x0322, 0x0a99,0x0038, 0x0a99,0x0090, 0x0a9c,0x0061, 
+    0x0a9c,0x00c7, 0x0a9c,0x012d, 0x0a9c,0x016f, 0x0a9c,0x017d, 0x0a9c,0x02c9, 
+    0x0a9c,0x0383, 0x0aa1,0x0010, 0x0aa4,0x00b3, 0x0aa8,0x002f, 0x0aac,0x0027, 
+    0x0ab0,0x004b, 0x0ab4,0x0043, 0x0ab9,0x0090, 0x0abd,0x0010, 0x0ac4,0x0019, 
+    0x0acc,0x00f5, 0x0acc,0x022b, 0x0acc,0x037b, 0x0ad2,0x008f, 0x0ad2,0x01f1, 
+    0x0ad6,0x0324, 0x0ad9,0x0330, 0x0ade,0x008f, 0x0ade,0x01f1, 0x0ae0,0x017b, 
+    0x0ae4,0x008f, 0x0ae9,0x004e, 0x0aee,0x0027, 0x0af2,0x028a, 0x0af2,0x02a7, 
+    0x0af1,0x031c, 0x0af6,0x0027, 0x0af9,0x031c, 0x0afe,0x00e9, 0x0afe,0x02bb, 
+    0x0b02,0x000b, 0x0b06,0x00f5, 0x0b06,0x022b, 0x0b06,0x037b, 0x0b0a,0x003d, 
+    0x0000,0x0000 
+};
+