In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['V', 5303, 'f', 443, 5001, 'd', 3257, 'H', 'o', 'n', 1749, 'h', 'z', 'M', 'b', '7517', 'F', '8559', '1599', 'V', '3671', 'g', '8549', 'f', '7201', 'j', 'm', '8833', 'z', '6137', '1001', '1619', 'u', 'R', 943, 1135, 'C', 'u', 5805], [9903, 'c', 'B', 5041, 6339, 8257, 'N', 'z', 'N', 'z', 'v', 5399, 3501, 1421, 8449, 'F', 'c', 'b', '7517', 'F', '8559', '1599', 'V', '3671', 'g', '8549', 'f', '7201', 'j', 'm', '8833', 'z', '6137', '1001', '1619', 'l', 3367, 'g', 8209, 5093, 'c', 2287, 7825, 'k']