n=1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...2...2...0...0...0...0...2...0...0...0...0...0...2...0...2...0...2...0...2...3
..1..2..0..2..2...0..3..2...2...1...0..2..2...3...2...0..2..3...3...0...3...3...3...3...3...3...3...3...3
|