Some solutions for n=10
..0....2....1...-1...-2....2....0....0...-1....2....1...-1....0....2....1....1
..1....0....0....1....0....0....0...-1....1....2...-1...-1...-1....0...-1....0
..2....0....0...-1...-1...-1....1...-2....1....2....1....1...-1....2...-1...-1
..1...-2...-2....1....0....0...-1....0....0....0....0....1...-1....2....1...-2
..1....0...-2....1....0....2...-2....0...-1...-1...-2....0....1....1...-1....0
..0....0....0...-1....2....0....0....1....0...-2....0...-1...-1...-1....0....0
.-1....0....2...-1....1...-2....0....0...-1...-2....2....1....0....0....0....2
.-2...-2....1....0....1...-1....0....1....1...-2....0....1....0...-2....0....2
.-2....0...-1....1....0....1....0....0....1....0...-1....0....2...-2....0....0
..0....2....1....0...-1...-1....2....1...-1....1....0...-1....1...-2....1...-2
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