n=5的一些解
...0.....................0.....................0
...3..5..................5..0.................-3.-3
...7..8..9...............5..3..2..............-2..0.-1
...5..7..4..4............8..4.-1.-2...........-4.-4.-2..1
...6..4..4.-1.-1.........3..3.-1..0.-4........-6.-1.-1.-3..1
...1..4..2.-1..4..2......3..1.-2.-2.-3.-3.....-4.-4.-2.-4.-2..3
...6..3..4..0..4..6..3...4..3..0..1.-1.-2.-1..-1..1.-3.-3.-2..0.-2
