X12X11XX221XX122
21221XXX22112122
X121X1X2X11XX111
X12121X2X11XX111
X11121112X1X11M1
X11121122X1X11M1
X11121212X1X11M1
X11121222X1X11M1
X1X121112X1X11M1
X1X121122X1X11M1
X1X121212X1X11M1
X1X121222X1X11M1
