XX21XX1XX121X111
XX21XX1X11X1X111
XX211X1XX121X111
XX211X1X11X1X111
XX21X1121121X111
XX211112X1X1X111
XX21X211X1X1X111
XX2112111121X111
X121XX12X1X1X111
X1211X121121X111
X121X111X121X111
X121X11111X1X111
X1211111X121X111
X121111111X1X111
X121X21X1121X111
X121121XX1X1X111
X221XX111121X111
X2211X11X1X1X111
X221X11XX1X1X111
X221111X1121X111
X221X212X121X111
X221X21211X1X111
X2211212X121X111
X221121211X1X111
