In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['l', 1373, 'N', 'f', 'g', 'K', 'J', 'z', 2515, 'M', 'F', 'v', '6535', 'j', '9303', '6085', 'H', '4201', '2619', '7455', '2555', 'Z', 'y', 'R', '5155', '6395', '59', '8093', '7415', 'X', 'e', 'n', 'V', '9043', 'G', 'v', 1855, 'Y', 'l', 'k', 9171, 7575, 'E', 3447, 'G', 9271, 'E'], ['u', 'Q', 'D', 'W', 't', 'a', 'F', 'v', '6535', 'j', '9303', '6085', 'H', '4201', '2619', '7455', '2555', 'Z', 'y', 'R', '5155', '6395', '59', '8093', '7415', 'X', 'e', 'n', 'V', '9043', 'G', 'P', 5939, 7195, 329, 'A', 'C']