In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['x', 'B', 'l', 'f', 3855, 'y', 'a', 5701, 'n', 'T', 'r', 'N', 'f', 3753, 4841, 1763, 877, 'E', 'u', '1063', 'w', '4089', '4873', 'O', 'a', 'T', 'F', '263', 'V', '4579', '8703', 'T', 'K', '4429', '2153', '2363', '2099', 'j', '7841', 'W', 'q', '9351', 'e', 'U', 'E', 5567, 'u', 'l', 7071, 'w', 'u', 's', 'Z', 4337, 'o', 8395, 7889, 'x', 825, 'l', 'G', 'J', 'Z', 'D'], ['M', 8963, 'q', 'g', 'g', 6923, 5427, 5687, 'R', 4945, 'u', '1063', 'w', '4089', '4873', 'O', 'a', 'T', 'F', '263', 'V', '4579', '8703', 'T', 'K', '4429', '2153', '2363', '2099', 'j', '7841', 'W', 'q', '9351', 'q', 3833, 691, 1643, 'v']