n=6的一些解决方案:
..4....4....1....2....4....0....4....4....2....1....4....3....1....4....4....0
..0....2....6....4....0....5....6....6....1....2....6....4....5....0....0....3
..0....1....2....6....2....2....4....5....3....5....1....1....5....0....3....5
..0....0....4....6....2....3....0....3....2....2....1....3....2....6....3....2
..3....3....2....1....2....2....5....1....5....5....1....1....4....0....5....2
..6....1....5....2....5....3....4....3....2....5....4....1....2....2....5....2
..3....3....0....2....3....0....4....6....4....0....2....4....2....4....3....1
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