12X222121X112121
12X12212XX212X21
111122121X212121
12X121111X212121
12X1X2122X212221
12X112121X212X21
12X11212XX212121
11X122121X112121
121222121X212121
11X222121X212121
121122121X112121
12X121121X212221
12X122111X212221
12X1X2111X212121
12X121122X212121
12X122112X212121
12X1X1121X212121
