n=3的一些解
..0..0..3....0..3..1....0..0..3....3..1..0....0..3..1....3..3..0....0..0..0
..3..1..0....3..3..2....0..3..2....2..2..0....3..3..2....0..2..0....0..0..3
..2..0..0....0..3..2....0..3..1....2..0..0....3..1..3....2..1..3....0..0..0
..0..0..2....0..2..2....3..1..3....0..2..0....3..2..3....0..2..2....3..3..2
..0..2..2....2..0..0....2..0..0....0..0..3....2..1..1....0..0..0....3..3..1