111X11122X221112
1112XXX1112X1112
11XXXX112X2X1112
11X211X211221112
121XX1X21X2X1112
12121X1121221112
12XX1XX11X221112
12X2X112212X1112
211X1XX2212X1112
2112X1111X221112
21XXX1X121221112
21X21X121X2X1112
221XXX1211221112
221211X12X2X1112
22XX1111112X1112
22X2XXX22X221112
X21XXXX211221120
XX222XX211221112
