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