Why not use a few spaces on the last line to even it up? The first line has them so it wouldn't be bad and would make the box shape a little better.

ie...

....
tqww                                    qwtw
wtrw                                    yrwt
ywueqteqir|;s|[^$s]||g;$_=join('',map{$_=$s{
$_};}split(//)); s/.../"\"\\$&\""/ege; eval;
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