|2 0 1 0 0 0| |2 0 1 0 0 0|
|0 2 1 0 0 0| |0 |
|1 1 2 1 0 0| |1 |
|D5~|=|0 0 1 2 1 1|=|0 D5 |
|0 0 0 1 2 0| |0 |
|0 0 0 1 0 2| |0 |
=2|D5 |+|0 2 0 0 0|
|1 1 1 0 0| |1 1 0 0|
|0 0 2 1 1|=8-2|0 2 1 1|
|0 0 1 2 0| |0 1 2 0|
|0 0 1 0 2| |0 1 0 2|
=8-2|2 1 1|=8-8=0
|1 2 0|
|1 0 2|
一般に,
|Dn~|=2|Dn|-8=0
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