2112X21221221120
221211X221221121
21121X2X21221120
22122X1121221110
2X12X12121221120
2212121XX1221120
2112X1XXX1221120
21122221X1221120
2X122112X1221121
2X121XX1X1221111
21122XX211221111
2X12122211221121
2212X2X111221110
2X12XX1X11221110
2212212X11221120
