X122X111XX112121
2112XXX12X2X2121
1122111111112121
2112XX112X112121
X1X221X1X2X1XX11
112211112X112121
21X221X1X1X12121
X1122X111211XX11
X1X2XX112X1X2111
2122111121112111
X1X2X2X12X21X121
21222121X2X222M1
11X21X11111XXX20
1122X2X1222X2221
