111211121211111M
11121112121X221M
212221122211111M
21222112221X221M
21221112121X111M
212211121211221M
11122112221X111M
111221122211221M
211221121211211M
21122112121X121M
112211122211211M
11221112221X121M
211211122211121M
21121112221X211M
112221121211121M
11222112121X211M
