n=9的一些解决方案:
..2. .1. .2. .1. .2. .0. .2. .1. .1. .1. .1. .3. .3. .0. .0. .2
..0. .2.3。3. .2. .1. .0. .3. .3. .2.3。0. .1. .2. .2. .0
..3. .0. .0. .0. .1. .3. .0. .2. .2. .2. .0. .1. .3. .0. .1. .三
..1. .3. .2. .1. .0. .2. .1. .3. .1. .0. .3. .1...0。1. .3. .1
..0. .0. .2. .1. .3. .0. .0. .2. .3. .2. .1. .0. .3. .2. .0. .2
..1. .1. .0. .2. .2. .2. .2. .0. .2. .3. .2. .3. .0. .1..3。三
..3. .3. .3. .0. .3. .3.2。1. .0. .1. .0. .2. .0. .2. .2. .1
..0. .3. .2. .1. .1. .2. .1. .2. .1. .3. .2. .0. .2. .3. .0. .0
..0. .0. .0. .0. .2. .0. .3. .1...0。1. .2. .2. .0. .2. .3. .2
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