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