11X1111X12111121
1121X1X222111121
11X111X111111121
1121X111111X1121
1121111X211X1121
11X1X112211X1121
1121X1112211X121
11X111121111X121
1121X1XX2111X121
112111X2121XX121
11X1X1XX121XX121
11X111X1221XX121
