X1X21X11112X1121
X112X11221211121
X2X2111111221121
1X221X11X1221121
11122X11112X1121
1122111X2X211121
1212211111221121
2XX22X1221221121
2X12111XX12X1121
2X1211122X2X1121
21X22111X1211121
2112121X21221121
211212111X221121
2122XX11112X1121
22121X1XX1211121
22121X122X211121
2222X11111221121
