1XX1X1X1X1121111
1XX1X1X1XX121111
1XX1X1X121121111
1XX1X1X12X121111
1X21X1X1X1121111
1X21X1X1XX121111
1X21X1X121121111
1X21X1X12X121111
X112X11211X12100
XX1211122122XX00
11X111X11X1X1X12
11X111X11X121X12
