111X1111X212X211
111X222XX11X1111
11121221X112X111
1112211XX21X1211
1X1X121XX21XX111
1X1X2121X1121211
1X12112XX11XX211
1X122211X2121111
211X112XX2121111
211X2211X11XX211
2112121XX1121211
21122121X21XX111
2X1X1221X21X1211
2X1X211XX112X111
2X121111X11X1111
2X12222XX212X211
