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253 11111101000000000000000000000000 7 254 11111110000000000000000000000000 7 255 11111111000000000000000000000000 7 256 00000000000000010000000000000000 0
perl -le'print join "\t", $_, (unpack "B*", pack "N", $_), ($_ & 0xFF) + >>5 for (0..256)'