X1X211X1211X2221
21X211XXXX1X2121
11121121X121X121
112X112XX11X2221
12X11111211X1221
12X2111X2X111121
122211X1X12X2121
X12X1111X21X2121
X11X112X11XXX121
1121X11111112121
XXX211XX12111121
11XX11111X222121
212211X212X12221
212111111XX22121
X21X112X1111X221
112X11221211X121
111111X1XX122121
22X2X11XX1112121
11X22111111X2X21
XX11111111X11221
X12211XX12X11121
1X22111X22XX2221
1XX2X112X1X11121
2X1211X12111X221
XXX211211121X221
1X12112X2X212121
X1X2X11111X21221
221111111122X221
