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The array a = {6, -1, 4, 2, 5} is treated as circular. Its exclusive prefix array is p = {0, 6, 5, 9, 11, 16}. A circular query starts at index 33, continues through the end of the array, wraps to index 00, and stops at index 11, inclusive.
Which prefix-sum expression correctly evaluates this circular query?
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