1212212X12111X11
1X1XX22X121X1211
1112X12X12111211
11112121X2111211
111122XX12121211
XX11X1X1121X1211
1X11XX2X12111X11
1X1X212112121111
X11XX22122121111
1X11X221X2121111
1X11X12X121X1111
X111X1XXX2121111
11112121221X1111
12112X21X2111111
