n=6的一些解
..1....0....2....1....2....3....0....1....2....3....1....0....0....0....1....0
..4....1....3....3....3....4....0....2....3....4....4....4....0....1....2....1
..1....3....3....4....1....4....0....3....1....3....4....4....0....4....4....2
..3....4....4....3....2....2....0....2....2....3....4....4....3....2....2....3
..4....4....0....3....1....0....1....4....2....1....2....4....4....4....4....2
..4....1....2....2....4....4....2....4....0....2....2....3....3....4....3....2