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-# From https://github.com/cliffordwolf/icestorm/blob/be0bca0/icefuzz/timings_up5k.txt
-
-# NB: Box inputs/outputs must each be in the same order
-# as their corresponding module definition
-# (with exceptions detailed below)
-
-# Box 1 : $__ICE40_CARRY_WRAPPER (private cell used to preserve
-# SB_LUT4+SB_CARRY)
-# (Exception: carry chain input/output must be the
-# last input and output and the entire bus has been
-# moved there overriding the otherwise
-# alphabetical ordering)
-# name ID w/b ins outs
-$__ICE40_CARRY_WRAPPER 1 1 5 2
-#A B I0 I3 CI
-1231 1205 1285 874 874 # O
-675 609 - - 278 # CO