Which of the following degree sequences are possible for a graph? A. (6,6,6,5,4,4,3)(6,6,6,5,4,4,3) B. (5,5,4,3,3,2)(5,5,4,3,3,2) C. (8,7,7,6,5,3,2,1)(8,7,7,6,5,3,2,1) D. (6,5,4,4,3,2,1)(6,5,4,4,3,2,1)

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