1X1X1X1XX11X2111
1X1X1X21XX1X1111
1X1XXX11X11X2X11
1X2X1X11X11X2111
1X2X1X2XXX1X1X11
1X2XXX2XXX1X1111
1X2XXX2XXX1X1X11
X12112X12X11X111
X12121X2XX11X111
X12X11X122122111
X22111X12X11X111
X22122X2X2122111
X22X22X2XX11X111
X22X22X2X2122111
