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