12X11X2XX121X1M1
1X22X11X1X21X1M1
1X2XXX21211121M1
11XX12X21XX121M1
1112X122XXX121M1
1X211X221XX11XM1
112XXX12X1211XM1
112X122X1211XXM1
1X121221X1X1XXM1
11X22XXX11112XM1
1222X2XX11X112M1
1X1X11X21121X2M1
