$_ = " ################### H P A J a e n u c r o s k l t t e h r e r ################### "; @$=split m|$/|;@$=map{$*=[map {$-+=!$*;ord}split//]}splice( @$,$/=log ord$//2,-$/);print+ grep{(ord&&(${$}=${_}))[(${$} eq${_})]}reverse map{$}++;$== !$=+$-;map{chr(@$->[$=--][$}] )}@$}@{@$->[$}]}; print "\n";
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