In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['L', 2383, 'e', 1, 7391, 5311, 'n', 9109, 'z', 2323, 'E', 6667, 5587, 'n', 'B', 7893, 'w', 'd', 8947, 'R', 9639, 'Y', 8173, 'z', 2665, 'w', '9583', 'u', '3713', '1717', 'D', 'k', 'f', '3301', 'i', 'I', 'l', '3513', '6675', '6591', '3809', '4919', 'Y', 'i', 'Z', '3967', '971', 'C', 'G', '125', 'D', 'w', 'h', 'k', 6287, 'c', 525, 'D', 'P', 'P', 3035, 'V', 'x', 'Q', 'C', 9059, 'W', 'J', 2947, 9899, 6829, 8519, 9287, 1551, 'U'], [2165, 189, 'R', 3247, 's', 'w', '9583', 'u', '3713', '1717', 'D', 'k', 'f', '3301', 'i', 'I', 'l', '3513', '6675', '6591', '3809', '4919', 'Y', 'i', 'Z', '3967', '971', 'C', 'G', '125', 'p', 'D', 'j', 'K', 'k', 1089, 'b', 's', 'C', 2767, 1489, 'L', 'c', 'C', 7641, 3781]