n=3的一些解
.-6....1...-7....5....0...-6....4....1....1....0....1...-4....7...-6...-3....2
..2...-3....5...-4....2....5...-6...-2....3...-1....2....0...-1....6...-4....0
..1...-2....2...-1...-4....4...-2....5....1....5....1....3....4...-1...-2....3
..2....1...-3....5...-4....2....4...-3....2...-2...-5....2...-3....1....5...-5
..1....3....3...-5....6...-5....0...-1...-7...-2....1...-1...-7....0....4....0
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