1X12X1XX11221121
2X12X1X211221121
XX121X1111221121
11121X1211221121
X112XXX1X1221121
1X12X1XXX1221121
2112111XX1221121
X11211X11X221121
2112XX1X1X221121
1X121XXXXX221121
2X121XX2XX221121
XX12X111XX221121
21121XXX112X1121
1X1211X2112X1121
X112X111112X1121
XX1211X1X12X1121
1X12XX1XX12X1121
2X12XX12X12X1121
XX12XXX11X2X1121
1112XXX21X2X1121
1X12XX121X2X1121
2X12111X1X2X1121
2112X1XXXX2X1121
