X1X1X1X2X2X12111
X1X1X1X2X2112111
X1X1X122X2X1X111
X1X1X122X211X111
X1X12XX2X2X12111
X1X12XX2X2112111
X1X12X22X2X1X111
X1X12X22X211X111
X1X121X2XXX12111
X1X12122XXX1X111
X1X12122XX11X111
1111X1X2X2X12X11
1111X1X2X2112X11
11112XX2X2X12X11
11112XX2X2112X11
111121X2XXX12X11
111121X2XX112X11
