n=3的一些解决方案:
.-3…-2….1…-3….2….2….1….1…-2….2….3…-2….1…-3….3….0
..0....1...-2....0....3....1....0...-2....3....3...-2....3....2....0...-2...-1
..3....2...-1....1....0...-2...-3...-3....2...-2....1....2....3....3...-3....0
..0...-1...-2....2...-3....1....0...-2...-1...-3....0...-1...-2...-2....2...-1
..1...-2...-1....3...-2...-2....3....3....2....2....1...-2...-3....3....1....0
.-2...-3....0...-2...-1...-1...-2....2...-3...-3....2....1....0...-2....0...-3
..1....2....3...-3...-2....2....1....3....2...-2...-3...-2...-3...-1...-3....2
..0....3....2....2....3...-1....0...-2...-3....3...-2....1....2....2....2....3
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