In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['x', 'y', 2151, 8113, 5819, 'V', 8585, 'l', 'u', 'g', 'q', 'i', 8737, 7617, 'S', 7339, 'L', 'z', '5283', 'A', 'S', '3409', '8929', '7049', 'B', 'W', 'q', '7349', '7879', '2403', 'Z', '9869', '343', '183', '1083', '685', 'K', 'g', 'L', 'V', '9075', 'q', 9789, 1683, 7099, 'O', 6135, 'K', 'y', 'd', 6163, 'h', 5799, 6071, 'F', 'T', 'i', 'p', 5991, 5575, 9917, 979, 7635, 'm'], ['u', 'I', 469, 4001, '5283', 'A', 'S', '3409', '8929', '7049', 'B', 'W', 'q', '7349', '7879', '2403', 'Z', '9869', '343', '183', '1083', '685', 'K', 'g', 'L', 'V', '9075', 'i', 5175, 2703, 3083, 4051, 329, 6457, 3765, 4213, 'F', 'i', 2237]