1111X122111X1121
111121221X121X21
11X1X1222X122121
11X12122211X2X21
1121X122X1122X21
11212122XX1X2121
1121X1222X1XXX21
112121222112X121
X111X1221X1X2X21
X111212211122121
X111X12221121X21
X11121222X1X1121
X1X1X122X11XX121
X1X12122XX12XX21
X121X1221X121121
X1212122111X1X21
2111X122XX12X121
21112122X11XXX21
21X1X1221112XX21
21X121221X1XX121
21X1X122XX1X1X21
21X12122X1121121
2121X122211X2121
212121222X122X21
