In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[8027, 2723, 5219, 'O', 1553, 'v', '675', 'B', 'S', '5071', 'r', 'k', '1729', '5527', '4329', 'W', 'I', 'N', 'g', '1401', '1363', 'c', 'J', 'Q', 9121, 'q', 'c', 'A', 2363, 9451, 'Z', 'l'], ['P', 1385, 'P', 'R', 'W', 6299, 8077, 'j', 383, 4019, 'z', 'E', 'M', 'v', '675', 'B', 'S', '5071', 'r', 'k', '1729', '5527', '4329', 'W', 'I', 'N', 'g', '1401', '1363', 'c', 'J', 'G', 'X', 9353, 'U', 1041, 9061, 'g', 7893, 4539, 6275, 8131, 843, 6409, 'f']