.X........XX....XX...XXXXXX...XX.....XX..X....X...XXX...XX..XX....XX...XX...XX...X....X...XXXX..XX..XX..........XX.XX....X....X...XX.XX.XX...XXXXXX......XXX.....XXXXXXX..XX..XXXX........XX....XX.XX.........X...XX...XXX..XX....XX...XX...XX........X...XX....XX...XXXXXX...XX.....XX.