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