21X11121X1211111
21X11121X12X1211
21X11121X2111211
21X11221X1111211
21X11221X21X1111
21X11221X2211211
21X1X121X11X1111
21X1X121X1211211
21X1X121X22X1111
21X1X221X12X1111
21X1X221X2111111
21X1X221X21X1211
11111121X12X1X11
1111112XX22X1X11
11111X11X22X1X11
11X11111X22X1X11
11X11X1XX12X1X11
11X11X21X22X1X11
2111111XX12X1X11
21111121X22X1X11
21111X2XX12X1X11
21X1112XX12X1X11
21X11X11X12X1X11
21X11X1XX22X1X11
