Some solutions for n=6:
.-4...-5...-6...-4...-6...-5...-5...-5...-5...-5...-3...-5...-5...-6...-6...-5
.-3...-4....5....2...-4....3....3....0...-4....0...-2...-3....1...-3....0....0
..6....5...-4....3....6...-3...-1....2...-4...-3...-1....1....2....2....3....0
..0....0...-5...-3....3....0...-3...-2....6....3....0...-2...-4....1....3...-1
..0....2....4...-1....1....1....2...-1....4....0....5....5....0....0...-4....1
..1....2....6....3....0....4....4....6....3....5....1....4....6....6....4....5
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