2112X111X2X21111
21121X121X21X111
1X1212X1211X2111
11122X1X21112X11
1X1212211X11X211
X112212X111X1211
1X122111X2X21111
21121XX2111X1211
1212X11X12121X11
X21211X121X11211
1112X212X111X211
X21211211X211X11
