1X12X1XXX11X1121
1X1212112X112121
11X2X12221112221
11112121X1222X21
XX2X1112X2122121
XX22112X21122X21
2122XX2121122121
X122111X22111121
X21XX1122X111121
1XX2112X22X12121
11121221X111X121
1112X2112111X121
XXX2111X1X112121
21X11111X1111121
11121112X21XX221
X122111221X22121
12X2111112122X21
X2X111X2211X1121
1211X1X1221X1221
1X111X11XX1X2X21
1112111221212X21
2112212X21X12221
21X22X2222112X21
11211XXX22112X21
2X1XX1X122X1X121
22111XX12X1X1121
21X21X1111112121
1X22112212X12121
X22X1X112X1X2121
XX12X111X211X221
