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