In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['k', 'p', 4435, 'H', 'n', 'E', 'R', 'm', 6819, 7405, 'M', 'G', 9671, 'u', 1059, 5141, 'q', 9345, 'U', 'U', '3017', 'u', '4989', 'V', 'b', 's', 'l', 'b', 'T', 'p', '4409', '8241', 'l', 'T', '6573', 'A', '3547', 'q', '6381', 'm', 6353, 9141, 2895, 4087, 'r', 9757, 'w', 9079, 'u', 'P', 4853, 8219, 8829, 3529], [6575, 6847, 87, 7099, 'Z', 6597, 515, 'k', 5617, 'U', '3017', 'u', '4989', 'V', 'b', 's', 'l', 'b', 'T', 'p', '4409', '8241', 'l', 'T', '6573', 'A', '3547', 'q', '6381', 'J', 'V', 3867, 9857, 4781]