212X1X11X1111121
212X1211XX11X121
212XXX112111X121
212XX2112X111121
21221X112X111121
212212112111X121
2122XX11XX11X121
2122X211X1111121
212X1X1X2X11X121
212X121X21111121
212XXX1XXX111121
212XX21XX111X121
21221X1XX111X121
2122121XXX111121
2122XX1X21111121
2122X21X2X11X121
212X1X122X11X121
212X121221111121
212XXX12XX111121
212XX212X111X121
21221X12X111X121
21221212XX111121
2122XX1221111121
2122X2122X11X121
