221211XX22X22201
X21111X1222XX1M2
X21X12X111111XM2
2111121112211121
11121111X1X11X21
1X1111X211X1X121
XX1X11XX2111X121
221X21X12111X2M1
121X222112111121
X1111X111211XX22
12122112X1122122
21111111X1121212
