XX11X11X222X2221
221X1121122X2111
211X2X11X1XXX201
X211211X121XX221
X11X21X112X12X11
XX1X11X12122X12M
1X122X112X11X1M0
1121XX111X112222
12122211X21X2220
1X111X11222X11M0
X121XXX1111122M0
22212121X2112211
X2211121X11XX220
