X121X121111X1X11
XX21X121111X1X11
X122X121111X1X11
XX22X121111X1X11
X121XX21111X1X11
XX21XX21111X1X11
X122XX21111X1X11
XX22XX21111X1X11
X121X121X11X1X11
XX21X121X11X1X11
X122X121X11X1X11
XX22X121X11X1X11
X121XX21X11X1X11
XX21XX21X11X1X11
X122XX21X11X1X11
XX22XX21X11X1X11
X121X121121X1X11
XX21X121121X1X11
X122X121121X1X11
XX22X121121X1X11
X121XX21121X1X11
XX21XX21121X1X11
X122XX21121X1X11
XX22XX21121X1X11
X121X121X21X1X11
XX21X121X21X1X11
X122X121X21X1X11
XX22X121X21X1X11
X121XX21X21X1X11
XX21XX21X21X1X11
X122XX21X21X1X11
XX22XX21X21X1X11
