n=5的一些解
..0..1..0..2..1. .0..1..0..1..0. .0..1..0..1..2. .0..1..0..1..0
..1..2..1..0..1. .0..2..1..0..1. .1..2..1..0..2. .0..1..2..0..1
..2..0..2..0..2. .0..2..1..0..2. .1..0..2..0..2. .2..1..2..0..1
..2..1..0..1..0. .1..0..2..1..2. .2..1..2..1..0. .2..0..1..0..1
..0..1..0..2..1. .1..0..2..1..0. .0..1..0..2..1. .1..2..1..2..0
..0..2..1..2..1. .2..1..2..1..0. .0..2..1..0..1. .0..2..0..1..2
..1..0..2..0..2. .2..1..0..2..1. .2..0..1..0..2. .1..0..2..1..2