1X11111XX1111121
1X11111X21211221
122111X2X1111121
122111X221211221
1221111X21111121
1221111XX1211221
1X1111X221111121
1X1111X2X1211221
121111XXX1211121
121111XX21111221
1X211112X1211121
1X21111221111221
12111112X1111221
1211111221211121
1X2111XXX1111221
1X2111XX21211121
