n=5的一些解
..0....0....0....0....4....4....4....2....3....3....4....0....3....4....1....4
..2....4....1....0....4....0....2....4....2....0....1....3....1....1....0....4
..0....5....0....4....3....5....5....2....0....2....5....4....4....1....3....0
..2....4....3....0....4....0....1....2....5....0....5....4....5....4....5....4
..2....1....0....0....4....5....5....3....1....3....0....0....2....1....5....3
..4....1....1....4....5....1....0....2....2....0....0....3....2....3....0....4
..4....2....3....3....4....4....3....5....2....4....3....4....3....3....3....4