n=3的一些解
..0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0
..0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0
..0..0..0....0..0..1....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0
..1..2..1....0..0..0....0..0..0....0..0..1....0..1..2....0..0..0....0..1..2
..1..0..0....0..0..1....1..0..2....2..3..0....2..2..2....0..1..2....0..3..3
..0...0...0...0...1...3.0..1..0...0...0...2...0...3...1...2...0...3...0...3...0...3...0
..0..1..1....2..0..0....3..2..3....2..0..1....2..3..2....2..2..3....3..3..3
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