map$f[rand 8][rand 8]=1,0..9;@u=map[(',')x8],1..8;for(;$i=-2;){print$
i+++2?$i:' '," @$_\n"for[0..7],@u;($x,$y,$f)=split' ',<>;$f?$u[$y][$x
]='F':$u[$y][$x]ne'F'&&$f[$y][$x]&&die||do{$m=' ';for$z(-1..1){$y+$z>
-1&&$x+$_>-1&&$f[$y+$z][$x+$_]&&$m++for-1..1}$u[$y][$x]=$m};for$z(0..
7){for$q(0..7){$_=$u[$z][$q],$i+=$f[$z][$q]?!/^F/:/F/}}$i<8&&die"\n"}