11111111X1XX12MM
11X1X12X112212MM
1111X121X11X12MM
11X121XX212212MM
1XX1112X212212MM
1X11X1X1X1XX12MM
1X11211111XX12MM
1XX1211X211212MM
121111X1111X12MM
12X111XX111212MM
12X1X11X212212MM
12112121X1XX12MM
