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1 & 2, 1 & 3, 1 & 5, 1 & 7, 1 & 11, 1 & 13, 1 & 17, 1 & 19, 2 & 3, 2 & 5, 2 & 7, 3 & 5 Making 12 in all

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14y ago

What else can I help you with?