Some solutions for n=10
.-1....1....0...-1....0....0....1....0....1...-1....0....1....0....0...-1....0
..0...-1....1....0...-1...-1....0....1....1...-1...-1....0....1....1....0....1
..0...-1....1....1...-1....0....0...-1...-1....1....0....0...-1....0...-1....1
..1....0...-1...-1....0....0...-1....1...-1...-1....0...-1...-1....0...-1...-1
..0....0...-1....0....0....0....1....1....0....1....0...-1...-1...-1....0...-1
..0....0....0....1....0....1...-1....0....1....1....1....1....1...-1....1....0
.-1....0....0....1...-1....1...-1...-1...-1...-1....1....1...-1....0....0....1
.-1....0....0....0....1....0....0...-1...-1...-1...-1...-1....0....1...-1....0
..0....1....0....0....1...-1....0....1....1....0....0....0...-1....0....1...-1
..1....0...-1...-1...-1....1....0....1....0....1....0....0....1....0....0....0
..0....0....1....0....1....0....0...-1....0....1....0...-1....1....1....1...-1
..1....0....0....0....1...-1....1...-1....0....0....0....1....1...-1....1....1
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