In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['g', 2191, 5603, 8969, 'Y', 'y', 6303, 'q', 6205, 1119, '2263', 'I', 'c', 'C', 'C', 'M', 'n', 'b', '4865', 'w', 'c', 'u', 'y', 'H', 'q', 'H', '4085', 'q', '6047', '6267', '1995', 'A', 's', 6869, 'Q', 'l', 'A', 'f', 'r', 'w', 4753, 3629, 'l', 9093, 8107, 203, 2529], ['L', 3621, 6949, 9663, 5247, 1585, 3093, 'v', 4453, 6209, 3339, 'z', 6171, 9011, 'n', 4381, 'a', 8309, 9265, '2263', 'I', 'c', 'C', 'C', 'M', 'n', 'b', '4865', 'w', 'c', 'u', 'y', 'H', 'q', 'H', '4085', 'q', '6047', '6267', '1995', 'A', 'v', 'g', 6497, 8679, 'Q', 'v', 7871, 3971, 2729, 8799, 8769, 'y', 'M', 'K', 9455]