n=7的一些解
..0..0. .0..0. .0..0. .0..0. .0..0. .0..0. .0..0. .0..1. .0..0. .0..0
..1..1. .1..1. .0..0. .0..0. .1..1. .1..1. .0..0. .1..0. .1..1. .0..0
..0..0. .1..1. .1..1. .1..0. .0..0. .1..1. .1..0. .1..1. .1..1. .1..1
..0..0. .0..0. .0..0. .1..0. .1..1. .1..1. .1..0. .1..0. .1..1. .1..1
..1..1. .1..1. .1..1. .1..1. .1..1. .1..1. .1..1. .0..1. .1..1. .0..0
..0..0. .0..0. .1..1. .1..0. .0..1. .1..1. .0..1. .0..0. .0..0. .0..0
..0..0. .1..1. .0..0. .0..1. .1..0. .1..1. .0..1. .0..0. .0..0. .0..0