2X111121X2X1111M
2X1111X1X21X111M
2X1X1111X12X111M
21XX1111X12X111M
2X111121XX2X111M
2XX11111X121X11M
2X111111X1211X1M
2X111121X11X1X1M
221111X1211X1X1M
2X1111X121121X1M
2X111121X1X12X1M
2XX11111X1X1121M
221111X1X1X1121M
21111121XXX1121M
2X1X1121X121121M
211111X1X11X121M
221X11X1X12X121M
2XX11121X12X121M
2X1111X1212X121M
2X111121X1X2121M
21XX11X1X122121M
211111X1X121X21M
2X111121X12XX21M
2XX111X1X121221M
