1111111X111111MM
1111111X112121MM
111X11121X1111MM
111X11121X2121MM
111211111211XXMM
11121111122111MM
1XXX11121X11XXMM
1X12111XX21112MM
XX11111XX21112MM
1111111122X1X2MM
1X12111122XX11MM
111XXX1XX2X11XMM
