Some solutions for n=5
..1....0....1....0....1....1....1....1....0....0....0....0....1....1....0....0
..4....0....6....2....4....0....4....6....4....6....0....6....0....6....0....0
..6....7....7....6....3....6....1....1....2....5....5....5....1....2....5....4
..0....6....6....2....0....6....2....2....4....2....1....0....5....4....2....6
..0....3....0....7....1....7....0....4....0....1....4....3....1....5....5....1
..1....3....4....0....6....5....5....7....3....1....4....3....0....0....6....6
..4....6....5....6....4....5....4....4....5....7....5....0....6....7....4....4
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