1X1212X22X2X121M
X112X2XX121X2X12
1X11122222121101
1122X2X211112X1M
1112X22XX222112M
111X122111X11211
11X2X212X2121111
X11X1212XX111X12
121212121X11XX12
1112222X21222X22
X12212X2X21XXX12
21X2121XX2112212
X1121X222XX22222
121X12221X212210
21XX121212XX2212
211212222X111212
