1X21X22X111X1122
X122X1X1X1111221
1X221122X112121M
1222212121121112
1121211XX1211112
X12XX2211111111M
2X2211X211111112
X122112112X21XMM
112X212XX1211121
1222111121121112
112211X1X1221112
11222112X2X21102
