1111X12221111111
11X1X12221121111
111121X221112111
11X121X221122112
X1X1112221111112
X111X1X22X122112
X1X1X1X222112121
X11121222X121121
X1X1212222111121
21X111X22X111122
21X111222X112122
211111X222121122
2111112222122111
