1122X12X1XX11X11
X1X2X1XX1X211X11
XX21XX1X1X21XX21
2X21X211XX11X121
2XX21X12X12X2111
XX121212X122X111
1X21X1X2112X2111
11XX1X1X11222X11
12121121X11X1X11
1X1X1XX2XX211111
121211X1X11XXX11
1X1X1XX2XX211111
