In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['v', 7191, 2747, 'q', 1189, 8867, 'l', 6771, 4975, 2929, 'M', 5301, 'i', 'i', 9821, 'm', 'B', '3861', 'l', 'a', '3435', 't', '9899', 'k', 'l', 'V', '5025', 'A', 'D', 'V', 'J', 'J', 'C', 1085, 'E', 'r', 'B', 'r', 'x', 'm', 'r', 's', 'Z', 4065, 'n', 't', 7309, 'l'], ['N', 2649, 'I', 'w', 'U', 's', 'f', 'I', 'e', 'a', 981, 'm', 'B', '3861', 'l', 'a', '3435', 't', '9899', 'k', 'l', 'V', '5025', 'A', 'D', 'V', 'J', 'J', 'E', 's', 'l', 8091]