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