s/^/.\x09/ : $!N s/\x01/\x02\x02123456789&01\x03/ s/\(.\)\x02.*\1\(\x01*.\).*\x03/\2/ t /\x09Y/P s/.\x09./\x01\n\x09/ t d
Note that non-ascii characters in the above source code will be escaped (such as \x9f).
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