In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[8459, 'y', 4745, 613, 'G', 8775, 6447, 'G', 'K', 7283, 6345, 5979, 7077, 'Y', 'C', 'l', 'U', 'h', 1581, 9251, 385, 'K', 7217, 7933, 6207, 'l', 'O', 1509, 'C', '4905', 'X', '421', 'O', '3573', 'N', 'x', 'P', 'm', 'Y', '8517', 'b', 'G', 'H', 'X', '9565', '2469', '8383', 'd', '8493', 'c', 'H', '1121', '2841', '2421', '9593', 'c', '4329', 'M', 'B', 2369, 'r', 4333, 1685, 1315, 7387, 'o', 'v', 9427, 'm'], [1051, 3811, 'k', 8907, 'D', 1687, 'w', 'c', 'v', 8053, 7127, 'a', 'j', 'C', 5039, 'k', 5129, 269, 'K', 4057, 2733, 3733, 3119, 6951, 1285, 'I', 2699, 'A', 'f', 'b', 'C', '4905', 'X', '421', 'O', '3573', 'N', 'x', 'P', 'm', 'Y', '8517', 'b', 'G', 'H', 'X', '9565', '2469', '8383', 'd', '8493', 'c', 'H', '1121', '2841', '2421', '9593', 'c', '4329', 'M', 'j', 'E', 'j', 1473, 9341, 'l', 'u', 9885, 'c', 's', 4381, 'I', 3105, 3435, 2365, 3733, 'X', 4335, 4479, 2351, 9603, 'L', 'P', 'n', 5373, 'Z', 5385]