Some solutions for n=3
..0..0..0..0..0..0..0..1..0..0....0..0..0..0..0..0..0..0..0..0
..0..0..0..0..0..0..0..0..0..0....0..0..0..0..0..0..0..0..0..0
..0..1..0..0..0..1..0..0..0..0....0..0..0..0..1..0..0..0..0..0
..0..0..0..1..0..0..0..0..0..0....0..0..0..0..0..0..1..0..0..0
..0..0..0..0..0..0..0..0..0..0....0..0..0..0..0..0..0..1..0..0
..0..0..0..0..0..0..0..1..0..0....0..0..0..0..0..0..0..0..0..1
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