某些解包含n=4的所有值0到4
..0..1..0..2..1....0..1..2..1..1....2..1..0..1..0....1..1..2..0..0
..1..2..0..1..0....2..1..3..1..2....1..1..2..2..0....2..3..1..1..2
..0..2..1..4..1....1..4..1..1..0....1..4..1..1..1....1..1..1..4..1
..0..1..3..1..2....0..1..2..2..1....2..1..3..1..2....1..2..2..1..0
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