X1X211X11XX12121
X122X1X12X1X2121
X2X222112XX12121
X212X2X1XX1X2121
X21211X11X212121
X222X1X12X2X2121
X2222111XXX12121
11X22111112X2121
11X22211111X2121
1112X2X11X1X2121
111211X1X1XX2121
1122X1X1X1212121
1222X211111X2121
2112X111XXX12121
211211X121212121
212211112XX12121
212212X1XX1X2121
22X22211212X2121
2212X21121X12121
2222X2X121X12121
