XXX1X2X21111120M
XX1112X21111120M
XX1122X11211120M
2X1X2XX11111X20M
2X1X22111211120M
2X11XX221111120M
2X11X2221111120M
2X111X211211X20M
XXX112X11211X21M
XX1X2X111211121M
2X1X12X11211X21M
2X1122121111X21M
2X1122211111121M
