n=5的一些解
..0..0..1..2..0....0..0..1..2..0....0..0..1..2..2....0..1..0..2..1
..1..1..2..0..2....1..2..1..2..1....2..2..1..1..2....2..2..1..1..0
..2..2..1..2..2....2..1..0..0..1....1..0..0..1..0....1..1..0..0..2
..2..1..0...0..1..1..1..2..1..2...2...1..1..2...0...2...0...0...2...0...0...0
..0..1..0..1..0....2..2..1..1..0....2..2..0..1..1....0..1..2..1..1
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