the 2-opt algorithm, which of the following modifications are valid swaps that can be made to the above route to obtain a shorter route? Remove (A, C'), (B, E)and Add(А, В), (С, Е)- Remove (A, D), (C, B)and Add(С, D), (A, B). Remove (A, C'), (A, D)and add(C, D), (A, A). Remove (A, D), (B,E)and add(А, E), (В, D). Remove (A, D), (B, E)and add(А, В), (D, E).
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