1X2X11221121XX11
1X2211X221X11211
1X2211X221211X11
11XX112211X2X211
11XX11221122XX11
11X211X221X21211
11X211X221221X11
112X112X11XXX211
112X112X11X1X211
112X112X112XXX11
112X112X1121XX11
112211XX21XX1211
112211XX21X11211
112211XX212X1X11
112211XX21211X11
