#!/usr/bin/perl -w
use strict;

$;='|';@_=(0,0);@;=map[split/,/],split/;/,"',106,0,0,1;1,',0,1,0;0,0
,',1,1;0,97,112,',0;1,0,104,0,'";{$;[$_[0]][$_[1]]=~/[1-9]/?($;{$_[
$;eq'|']}++&&last,$;=$;eq'-'?'|':'-',$_{$;[$_[0]][$_[1]]}++,($_[$;eq
'|']+=1)%=@;):(($_[$;eq'|']+=1)%=@;);redo}print chr for reverse keys%_