211122111211X111
211122X122112111
21112X1112112111
2111XXX12211X111
2111X21122112111
2111X2X112112111
21X12X112211X111
21X12XX11211X111
21X1221112112111
21X1X2X12211X111
21X1XX111211X111
21X1XXX122112111
