1X12XX121211X221
1X112X121122XX22
1XX12X1211211X20
1X21XX1211121222
1X12XX12X1221220
1XX12X12X111XX21
1X12XX1221211222
1XX121XX211X2X22
112X1X1212111221
1121XX121121XX22
1XX1XX1211X11220
1121XX1211X21222
1121XX22121X1221
112XX1X21121XX22
1121X122121X1221
112X11X211212X22
XX121X2212212100
1121X21211211X02
21211122X21X1121
212X112211211X22
