111212X21XX21X11
X1121212XXX21X11
X1121222XXX21X11
X11X121212X21X11
X11X122212X21X11
111X12X2X2X21X11
111X12121X221X11
111X12221X221X11
X11X12X2XX221X11
X11212X212221X11
11121212X2221X11
11121222X2221X11
X11X12X21XX21111
111X1212XXX21111
111X1222XXX21111
1112121212X21111
1112122212X21111
X11212X2X2X21111
X11212121X221111
X11212221X221111
111212X2XX221111
111X12X212221111
