In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['y', 3227, 'W', 'D', 1, 9567, 8175, 'y', 'r', 1911, 'D', 2111, 3245, '7709', '2467', '3831', 'K', 'N', '1123', 'T', '8205', '3033', '9687', 'b', 'W', 'R', '9495', '7589', 'n', '9451', 'P', '1987', 's', 'A', '6733', '2935', '273', '2039', 'f', '3781', 'C', 'G', 'M', 't', 'b', 4001, 4949, 4753, 'h', 'c', 'B', 4259, 'u', 6153, 9853, 'o', 'T', 'W', 3467, 9029, 2031, 437, 'B', 9763], ['q', 5893, 8199, 1077, 789, 'G', '7709', '2467', '3831', 'K', 'N', '1123', 'T', '8205', '3033', '9687', 'b', 'W', 'R', '9495', '7589', 'n', '9451', 'P', '1987', 's', 'A', '6733', '2935', '273', '2039', 'f', '3781', 'O', 1945, 'O', 'b', 'K']