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|{:(a+x," "y," "z),(" "x,a+y," "z),(" "x...

`|{:(a+x," "y," "z),(" "x,a+y," "z),(" "x," "y,a+z):}|=a^2(a+x+y+z)`

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`=a^2(a+x+y+z)`
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