1111212211112111
1X11X12211X12X11
1111212211X21X11
1X11X12211121111
1111X12212111X11
1X11212212X11111
1111X1221XXXX111
1X1121221X1XXX11
2121X1X221X11111
2X2121X221111X11
212121X22212X111
2X21X1X222X2XX11
212121X222XX2X11
2X21X1X2221X2111
2121X1X22X122X11
2X2121X22XX22111
X1X1X112X11XXX11
XXX12112X1XXX111
X1X1X112X2X22111
XXX12112X2122X11
X1X12112XXX1XX11
XXX1X112XX11X111
X1X12112XX1X1111
XXX1X112XXXX1X11
