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data2={data1.rea1,data1.unrea1}; data2=(2,6); data2.rea1=data1->rea1; data2->rea1=data1.unrea1;
data2=data1.rea1,data1.unrea1; data2=(2,6); data2.rea1=data1->rea1; data2->rea1=data1.unrea1;