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