In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['n', 'e', 9959, 'i', '8735', '6345', '6219', 'D', '4501', 'j', 'D', 'w', '4193', 'y', '3483', '4617', 'q', '6497', '6611', '6049', 'y', 'p', 'r', 'C', 7747, 159, 'A'], [4633, 'W', 'g', 'x', 2535, 'l', 367, 'J', 'm', 'K', 'i', '8735', '6345', '6219', 'D', '4501', 'j', 'D', 'w', '4193', 'y', '3483', '4617', 'q', '6497', '6611', '6049', 'a', 4735, 1869, 6423, 8841]