In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[877, 3065, 1781, 4267, 5211, 3473, 'v', 'W', 551, 6643, 7755, 687, 2373, 2705, '591', '2367', '7693', 'X', 'w', 'K', '7499', 'A', '8309', 'R', 'x', 'N', '3897', '2923', '5845', '9093', '4645', '1077', 'W', '2575', '9587', '2577', 'i', 'n', 'U', 6387, 2603, 7317, 6421, 1415, 1205, 'I', 'G', 5429, 2835, 'd', 'b', 3717], ['u', 'V', 'C', 3683, 'C', 4699, 'W', 2813, 6861, 'h', 'Q', 'F', 7557, '591', '2367', '7693', 'X', 'w', 'K', '7499', 'A', '8309', 'R', 'x', 'N', '3897', '2923', '5845', '9093', '4645', '1077', 'W', '2575', '9587', '2577', 'S', 3699, 463, 'l', 'a', 'K', 7037, 'L', 5661]