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