n=6的一些解决方案:
.-6...-5...-6...-4...-7...-4...-4...-5...-6...-4...-4...-3...-6...-3...-4...-4
.-1....4....0....5....4...-1....1....0....4...-4...-3...-3....4....2....1....0
..4...-4....5...-3....6....4...-1....7....2....5...-1...-1....0....2....1....2
..2....4...-5....5....1....0....1...-3....4....6....3....3....3....0....2...-1
.-4....0....2...-3...-2....0....4...-2...-4...-4....3...-3...-1...-1...-2....3
..5....1....4....0...-2....1...-1....3....0....1....2....7....0....0....2....0
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