$_="123 456 789 147,258,369,159,357";$p=X;sub d{/.{12}/s;print$&.$p;die$_ for@_} n:d;$m=<>until$m=~/\d/&&s/$&/$p/g;/$p{3}/?d$p:!/\d/?d"Tie":$p=~y/XO/OX/;goto n