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