In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[5053, 1425, 'S', 'c', 'v', 7929, 6763, 7599, 2937, 'Y', 'I', 'U', '8307', 'h', '1433', 'V', '3087', 'W', '2611', 'K', '7993', '8577', '4997', 'D', 'Y', 'p', '8385', '1507', 'w', 'U', 945], [6103, 'Z', 663, 'H', 4549, 4545, 'n', 'g', 3875, 8453, 's', 'D', 'a', '8307', 'h', '1433', 'V', '3087', 'W', '2611', 'K', '7993', '8577', '4997', 'D', 'Y', 'p', '8385', '1507', 'e', 'X', 3955, 2565, 9453, 'y', 4405]