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15, 0 19, 4 19, 4 25, 0 25, 0 30, 6 30, 6 36, 1 36, 1 41, 7 41, 7 47, 2 47, 2 52, 8 52, 8 58, 3 58, 3 63, 9 63, 9 69, 4 69, 4 75, 0 75, 0 80, 6