In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[1473, 'v', 9321, 'W', 6975, 'q', 'r', 3705, 2669, 9669, 4745, 8755, 1889, 'n', 1225, 'q', 's', 2697, 'l', 'N', '649', '6569', 'k', '7453', 'e', 'I', 'L', '1741', '3993', '7479', 'W', 'Q', 'u', '583', '4145', 'h', 'F', '1327', '1303', '5779', 'j', 'a', 'b', '9407', 'l', 'S', 'O', 'h', '6639', 'w', 1777, 9677, 6839, 5615, 6027, 8839], ['c', 'Z', 'n', 1735, 2937, 1641, 4479, 'c', 'y', 2697, 6741, 8185, 'n', '649', '6569', 'k', '7453', 'e', 'I', 'L', '1741', '3993', '7479', 'W', 'Q', 'u', '583', '4145', 'h', 'F', '1327', '1303', '5779', 'j', 'a', 'b', '9407', 'l', 'S', 'O', 'h', '6639', 'W', 'Q', 3299, 'G']