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