2112122211221111
21121222XX221111
2112X1221X221111
21X211221X221112
21X2X122X1221112
21X2X2221X221112
2X121122X1221121
2X1212221X221121
2X12X222X1221121
2XX21222X1221122
2XX2X12211221122
2XX2X122XX221122
2112X122122X1111
2112XX2X212X1112
2112212X12221121
2212X12X122X1122
2212XX2221221111
22122X22212X1112
22122X2221221121
121211XXX22X1112
