111X1121X2XX1X11
111X22X1X211X111
111112211XXX1X11
21XX11211XX11111
21XX112112XX1X11
21X112X1X2111X11
21X11221XX11X111
211X12X11X1XX111
211X22X1XXX11X11
111X12211X1XX112
11112221X21X1112
111112211XX11121
21XX21X11X11XX21
11X121X1X21XXX22
111121X1X2XXX122
111121211XX1X122
21X1212112X1X122
211112X1XXX11122
211112X11X111X22
21112121121X1X22
