2XX1111X11X12210
X1X2111X1XXX2111
1111112X121X2XM1
11X211X2212XX121
1122112X21X2X101
X11111X112X221M1
21X2111212121121
22X211X212122X12
2X221121111211M1
11X2112X112X1110
12XX11XX2X112111
