11XX11X1121X2121
2X12X1X11X1X1121
X112XX112112X121
111X1X211X112121
X1X11121121X1121
1X1XX111XX1X2121
2111XX2121121121
X1121X112X11X121
11XX11112X1X2121
2X12X121X11X1121
1111XX11XX122121
211X1X2122111121
1X111121X21X1121
21121XX11112X121
2X1211111X122121
X11X1X212X1X1121
11X1X1X1211XX121
