1112111111221121
1112111X2X221121
2112XXX111221121
2112XXXX2X221121
2112X11X11221121
2112X1112X221121
11121XXX11221121
11121XX12X221121
21121X1121221121
21121X1X1X221121
1112X1X121221121
1112X1XX1X221121
211211X11X221121
211211XX21221121
1112XX111X221121
1112XX1X21221121
