1X2X1X12X12X1X1M
XX21X112X1X2211M
122X111X2XX2111M
122X1112X122X11M
X22X1X1XX12X111M
12211X121X21211M
1X2X1112X12X111M
122111X12XX11X1M
2X2X1X1211XX121M
2X21X112X1X2211M
X22X1112X1XX111M
2X211112X1X2211M
