n=6的一些解决方案:
.-1...-1...-1...-1...-1...-1...-1....0...-1...-1...-1...-1...-1...-1...-1...-1
..0....0...-1....0....0....1....0....0...-1....0...-1....1....0....1....0...-1
..0...-1....0....1....0...-1....0....0....0....0....0....0...-1....0...-1....1
..1....1....1...-1....1....1...-1....0....1....0....0...-1....0....0....1....1
..0....1....1....1...-1....0....1....0....0....0....1....1....1....0....0....0
..0....0....0....0....1....0....1....0....1....1....1....0....1....0....1....0