X121112XX1211XM1
X12X112211X21X21
1X21112211XX1X21
X12X111XX112X1M1
1X2112211X21X120
1121X121X1121XM1
2X211XX111XX1X11
1221XX22211X1X11
1X21112XX1121XM1
1X21X11XX1221X22
2212X11212XX1100
11XX2121X12122M1
