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