111121XX11111121
111121221X1X1121
11X121X21X212121
11X1212X112X2121
112121XX1XXX2121
1121212211X12121
112121X2112XX121
1121212X1X21X121
X11121X2111X2121
X111212X1X112121
X11121XX1X2X1121
X111212211211121
X1X121XX11X1X121
X1X121221XXXX121
X12121X21X111121
X121212X111X1121
211121X21XX1X121
2111212X11XXX121
21X121XX1X1XX121
21X121221111X121
21X121X211XX1121
21X1212X1XX11121
212121XX11212121
212121221X2X2121
X11111221111X121
X111112211112121
X11121221X1XX121
X11121221X1X2121
