In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[8629, 3629, 'r', 1155, 'C', 7753, 6083, 705, 9375, 'c', 'v', 4945, 8799, 191, 'v', 'U', 'X', 'r', '6827', '5179', '7509', '3799', 'F', 'x', '5707', 'W', 'i', '9533', '3389', '5089', 'P', 'N', 'W', 7345, 2033, 7033], ['E', 9597, 'X', 6907, 'U', 'X', 'r', '6827', '5179', '7509', '3799', 'F', 'x', '5707', 'W', 'i', '9533', '3389', '5089', 'j', 1737, 'g']