$head = $curr;


##</code><code>##


$curr = $head;
my $tail;
while ($curr) {
    my $next = $curr->{next};
    $curr->{next} = $tail;
    $tail = $curr;
    $curr = $next;
}


##</code><code>##

($q=q:Sq=~/;[c](.)(.)/;chr(-||-|5+lengthSq)`"S|oS2"`map{chr |+ord
}map{substrSq`S_+|`|}3E|-|`7**2-3:)=~y+S|`+$1,++print+eval$q,q,a,