In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[4413, 8541, 'y', 1155, 1855, 7237, 2307, 7603, 'B', 'N', 3137, 615, 7973, 'F', 'O', '1303', 'n', 'a', '8835', '5697', 'l', '6407', '6685', '5411', 'q', '6219', '4013', 'z', 'G', '7919', 'A', 'B', '3741', '3763', 'e', 'r', 4015, 3585, 'u', 2909, 5929, 'K', 'P', 6609, 'Y', 8491, 'P', 1889, 6529, 8475, 2937], [7855, 'V', 8283, 'P', 'H', 5731, 1725, 2197, 8823, 2263, 949, 'k', 'Y', 'v', 8027, 9435, 6119, 'j', 8449, 'P', 1793, 'O', '1303', 'n', 'a', '8835', '5697', 'l', '6407', '6685', '5411', 'q', '6219', '4013', 'z', 'G', '7919', 'A', 'B', '3741', '3763', 'e', 'b', 'a', 'c', 4189, 141, 't', 8403, 2309, 8967, 'J', 'n', 2561, 'D', 5335]