plot letter grid by tails

#!perl -nl
$$_=chop}sub f{-7+vec"@_\x0e\x02",$$%6,8}{//,print map${"$_ $' "}||'-',f..f"\x1d\x1d\x0f"for(f"\x0c\x0b\x04")..f"&\x1b\x13"

Note that non-ascii characters in the above source code will be escaped (such as \x9f).

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