#!/usr/bin/perl
sub r{int rand pop}$|++;@g=map{[map{' '}0..$=]}0..25;my$j=pop||2+r(3);@f=map{my$
k=my$n=$b++;my$z=1;my$x=r$=;my($q,$v,$e)=my@l=(0,0,0,0);my$h=r(9);$w={i=>sub{$k=
r($j) while($k==$n or!$f[$k]);my$o=$f[$k];$h+=($e?-1:1);if($h<1){$e=0;$k=$n}if($
h>6){$e=1}if(!$z){my$u=($x<$$o{x}->()?1:-1);$u*=(($e>1)?-1:1);$q=$e?($u*(r(7))):
0;if($e>1){$q||=4}if($e and(r(7)>3)){$v=r(6)}}my$t=($$o{z}->()cmp$z)+1;$t=0 if($
x==$$o{x}->());my$s=(($x<$$o{x}->())?1:0);for(0,2){$l[$_+$s]+=($t cmp$l[$_+$s])}
for(0,2){$l[$_+($s?0:1)]=0}if($z){$v-=2}$x+=$q;$z+=$v;$z=0 if$z<0;if($x<2){$x=2;
$q*=-1 if $q<0}if($x>$=-2){$x=$=-2;$q*=-1 if $q>0}if ((abs($x-($$o{x}->()))+1)*(
1+abs($z+1-($$o{z}->())))<9){r(2)?($$o{c}->($n) or $e=1):${$f[$n]}{c}->($k);}},d
=>sub{$g[20-$z][$x]="O";$g[21-$z][$x]="+";$g[22-$z][$x]="|";for(0..1){my@c=($_?(
'/','-',"\\"):("\\",'-','/'));$g[21-$z][$x+($_?1:-1)]=$l[$_]?'-':$c[2];$g[22-$z-
$l[$_]][$x+($_?2:-2)]=$c[2-$l[$_]];$g[23-$z][$x+($_?1:-1)]=$l[2+$_]>1?'-':$c[2];
$g[24-$z-($l[2+$_]>1?1:0)][$x+($_?2:-2)]=$c[$l[2+$_]>1?1:2];}},z=>sub{$z},x=>sub
{$x},n=>sub{$n=pop},c=>sub{$h=0;$e=2;$k=pop;$q=0;if(!r(7)){splice@f,$n,1;for(@f)
{$$_{n}->($h++)}}}}}1..$j;while(1){++$iter;if(@f==1){exit 0}for$m(@f){$$m{i}->()
;$$m{d}->()}print$/x$=;for $a(1..25){print$/,"|",@{$g[$a]},"|";@{$g[$a]}=map{' '
}0..$=;}sleep 1}#Optional command-line argument selects how many ninja stickmen.


##</code><code>##

$;=sub{$/};@;=map{my($a,$b)=($_,$;);$;=sub{$a.$b->()}}
split//,".rekcah lreP rehtona tsuJ";$\=$ ;->();print$/