n=4的一些解:
..0..1..0..1....0..1..0..1....0..1..0..1....0..1..0..1....0..1..0..1
..0..1..0..1....0..1..0..1....0..1..2..0....0..1..0..1....0..1..0..1
..0..1..0..1....0..1..0..1....0..1..2..0....0..1..0..1....0..1..0..1
..2..1..0..1....0..1..0..1....0..1..2..0....0..1..0..1....0..1..0..1
..0..1..2..0....0..1..0..1....0..1..2..0....0..1..0..1....0..1..0..1
..0..1..2..1..2..1..0..1..0..1..0..1..2...0..1..0..1..0..1..0..2..0..1…0..2..0..1
..0..1..0..1....0..1..0..1....0..1..2..0....0..1..0..1....0..1..0..1
|