print"\ec";for$b(0..15){$e[$b].=int 2*rand for 0..($h=30)}{$b=-1;for$f(@ a=@e){$e[++$b]="";print"\e[$b\H$f$/";for$c(0..$h){$l=0;for($b-1..$b+1){$ _=$_>0&&$_<$h?substr$a[$_],$c?$c-1:$c,$c==$h?2:$c?3:2:1;$l+=tr/0//}$l-=$ d=!substr$f,$c,1;$e[$b].=$l==3||$l==2&&$d?0:$"}}select$q,$q,$q,0.1;redo}