XX112121X2112121
X1X1122121X11121
X11121112XX12121
X121X111X12X2121
X121X221X221X121
X2X121212X211121
X211X1112XX2X121
X2112121212XX121
X21122X11X221121
X21122111XX11121
X2211X11X212X121
X22122X111X11121
1XX112212X221121
1X112211221XX121
1X21X211212X1121
1X212111X2XXX121
11X11X21212X1121
1121XX1121X22121
1121X2X1X1121121
12X11X11211X2121
12X111X1212X2121
2XX11X2122211121
2X11X211X21X1121
2X21X211221X1121
21X1X211X1X21121
21X112112X1X1121
22X11X11X22X1121
222122X11XX11121
