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