In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[8903, 'G', 5515, 1873, 'w', 't', 'a', 'm', 'D', 9767, 2553, 'w', 'q', 'O', 'P', '5013', '409', '4143', 'X', '4573', '8577', 'O', 'L', '7207', 'U', 'k', 'q', 'c', 'V', '4903', '6535', '9165', '10025', '1093', '3657', '4045', '3347', 'P', 'e', '1503', 'B', 4231, 'A', 595, 'v', 4009, 'g', 'h', 'y', 863, 'B', 8639, 'c', 4905, 9253, 'c'], ['k', 8285, 'U', 5159, 1511, 'D', 'Y', 7173, 6283, 9787, 7165, 8301, 'c', 5193, 'f', 'Z', 5515, 5855, 'L', 'P', '5013', '409', '4143', 'X', '4573', '8577', 'O', 'L', '7207', 'U', 'k', 'q', 'c', 'V', '4903', '6535', '9165', '10025', '1093', '3657', '4045', '3347', 'P', 'e', '1503', 'X', 6491, 'i', 'y', 9861, 9041, 3425, 1435, 6191, 2751]