11112112X1XX1212
11X12X22111X2212
11X12XX21XX12X12
11111X12XXX12211
1111XXX211111212
11X1X11211X12211
1111X1221XX11X11
111121X211112X11
11X111X211XX1X11
1111XX22X1XX2X11
11X12122XX111211
111111X21X1X2211
