21212121X222X211
212XX121X2212211
21212122222X1211
112X212X22211211
212X2121X1112211
X121212XX12X2211
2121211XXX212211
1121112X22122211
112121XX222X2211
X121X12212212211
2121X1211X222211
112X212121122211
2121211122X22211
212111222X222211
212X21212122X211
1121212X1XX12211
1121212X12X11211
X1211121X2122211
1121212212212X11
112X111112212211
1X21212X22112211
21211111122X2211
212121XXX1112211
XX212121X2112211
