1112X122111X1122
111XXX22111X1221
211X1X1XX1111222
211XXX1122111212
21122X12XX1X1112
X1X1111X1212112M
21212X1222111X11
121XX11112111X11
2111XXX112111112
2111X22111111X1M
12X1X12X121X11M2
21X2X21211121112
2X12X211X2111122
1X1X1X2X12111122
