1111212X2X1121MM
1111212X2X1221MM
1X11112X2X1121MM
1X11112X2X1221MM
XX112X2X2X1121MM
XX112X2X2X1221MM
X111122X2X1121MM
X111122X2X1221MM
21111X2X2X1121MM
21111X2X2X1221MM
2X11222X2X1121MM
2X11222X2X1221MM
