Air Hockey

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Alice is playing Air Hockey with Bob. The first person to earn seven points wins the match. Currently, Alice's score is $A$ and Bob's score is $B$. Charlie is eagerly waiting for his turn. Help Charlie by calculating the minimum number of points that will be further scored in the match before it ends. ### Input - The first line of input will contain an integer $T$ — the number of test cases. The

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solution.cppC++17

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