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{{1/sqrt(3),1/sqrt(6),-1/sqrt(2)},{1/sqrt(3),-2/sqrt(6),0},{1/sqrt(3),1/sqrt(6),1/sqrt(2)}}
{{1/sqrt(3),1/sqrt(6),-1/sqrt(2)},{1/sqrt(3),-2/sqrt(6),0},{1/sqrt(3),1/sqrt(6),1/sqrt(2)}}
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