#!perl -p0
/
/;$x="@-";
sub f
{for$p(g
"{$x}"){s/$p/$&&((_
."\177"x
~-$x)x
y! !!)/se
;$_=lc;s![\
0\\
]!@_!g
}$x++} f
"/";y!\
17!/!;f
"|";f
"\\";y/\
17/X
/;for$p(g
){s/$p/$&=~y! |!-+!r
/e
}
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