In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['c', 7559, 7855, 'Z', 23, 'o', 'n', 'w', 'q', 'L', 'V', 'U', '6081', '3907', 'A', 'W', '6769', '1683', '5599', 's', 3787, 'q', 'k', 'Y', 9287, 'j', 2489, 'S', 3551], [7001, 'S', 'v', 'l', 'L', 8375, 'W', 'Y', 'x', 's', 'q', 'L', 'V', 'U', '6081', '3907', 'A', 'W', '6769', '1683', '5599', 'r', 'z', 'f', 2759, 'V', 'B', 7099, 6333]