11121XX12X22X111
1X121XX1212X1111
1XXX1211212X1111
X1XX12112X22X111
X1XX12X1212X1111
XX121X112X22X111
21121X11212X1111
2XXX12X12X22X111
X1X21X21X1221X21
21X21X21X1221X21
11XX1X21X1221X21
X1XX1X21X1221X21
11X21X21X1221X21
X1X21X21X1221X21
