2X2XX211X11X1XM1
21211221212X1XM1
11211211X11212M1
1X2XX221212212M1
112X122121121XM1
1121X211212X12M1
2X211221X12212M1
2121X221X1121XM1
1X2X1211X1221XM1
212X1211211X12M1
1X21X221211X1XM1
112XX221X12212M1
2121X21121121XM1
112X1221X11212M1
11211221X12X1XM1
2X211221211212M1
