In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['t', 3, 1295, 'O', 'O', 'x', 6891, 1489, 't', 215, 2919, 809, 'E', 7521, 'm', 'v', 2873, 'j', '2951', '293', 'q', 'Z', '3095', '9523', 'K', 'v', '9005', 'd', '2089', 'R', 'T', 'X', 'S', 'G', 'Z', '7315', '6111', 'L', 'E', 4823, 7867, 'q', 'B', 'c', 3209, 641, 9103, 'l', 9791], [6867, 6013, 2183, 8261, 'j', 'j', '2951', '293', 'q', 'Z', '3095', '9523', 'K', 'v', '9005', 'd', '2089', 'R', 'T', 'X', 'S', 'G', 'Z', '7315', '6111', 'L', 'z', 21, 'g', 9133, 3491, 'f', 5697, 495, 7045, 's', 5899, 5839, 8167, 4347, 1749, 3965, 'I', 's', 8327]