or download this
#!/usr/bin/perl -w
use strict;
...
,',1,1;0,97,112,',0;1,0,104,0,'";{$;[$_[0]][$_[1]]=~/[1-9]/?($;{$_[
$;eq'|']}++&&last,$;=$;eq'-'?'|':'-',$_{$;[$_[0]][$_[1]]}++,($_[$;eq
'|']+=1)%=@;):(($_[$;eq'|']+=1)%=@;);redo}print chr for reverse keys%_
or download this
#!/usr/bin/perl
...
/[1-9]/?($;{$_[$|--]}++&&last,$_{$;[$_[0]][$_[1]]}++):8,(
$_[$|]+=1)%=@;;redo}print chr for reverse 10,keys%_ __END__
',106,0,0,88;4,',0,7,0;0,0,',12,94;0,97,112,',0;5,0,104,0,'