In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['C', 6381, 'B', 6457, 'w', '4689', '3653', '3347', 'O', 'r', 'O', '7069', '6131', '199', 'e', '7671', '7351', '4635', 'v', 'p', 'o', 'x', 'p', 'd', '5447', 'w', 'q', 'Z', '5391', 'Z', 'X', 'T', 2567, 's', 2555, 2601, 851, 'E', 'U', 'u', 'b', 7723, 'f', 'Q', 'X', 7201, 6799, 'H', 'i'], ['o', 1377, 6219, 6293, 's', 'l', 2567, 'z', 1289, 'V', 'V', 'w', 's', 'J', '4689', '3653', '3347', 'O', 'r', 'O', '7069', '6131', '199', 'e', '7671', '7351', '4635', 'v', 'p', 'o', 'x', 'p', 'd', '5447', 'w', 'q', 'Z', '5391', 'Z', 'C', 's', 9967, 'g', 2945, 'U', 2499, 'a', 'i', 'Z', 2097, 'C', 7705, 6397, 7909, 'm']