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