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AnC={2,3,5,7}
BnC={2}
(AnB)nC={2}
AUB={1,2,3,4,5,6,7,8,10}
AUC={1,2,3,5,7,11,13}
BUC={2,3,4,5,6,7,8,10,11,13}
AUBUC={1,2,3,4,5,6,7,8,10,11,13}
A-B={3,5,7}
B-C={2,4,6,8,10}
A-C={1}
A={1,2,3,5,7}
B={2,4,6,8,10}
C={2,3,5,7,11,13}