2XX121X111111110
2X2111X111211210
112121X111111210
2X222XX111111210
2X2121X1211X1210
2X2121X111111110
2XX121X111111210
1X2211X121111210
21212XX1112X1210
1X212XX111111210
212221X111111210
1X2221X1112X1210
21211XX121111210
2X2111X1111X1210
2X2121X121211210
