1XXX21X221X1111M
11X22XX2X121111M
1X21X122X1XX111M
1112XXX22111X11M
12X1X1X22XX1X11M
11X1112X222X211M
11X1XX221X211X1M
11X22122X1X1XX1M
1X2111X2X121XX1M
1221X12X2X21XX1M
11XX112221112X1M
1X12X12X21X1121M
