In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[5253, 9575, 'b', 377, 865, 9685, 9881, '49', '1551', 'N', '6191', '7463', '7149', 'L', '6083', '201', '7635', '6425', '9093', 't', 'k', 3785, 7807, 'B'], ['c', 'd', 'b', 7277, 1691, 4573, '49', '1551', 'N', '6191', '7463', '7149', 'L', '6083', '201', '7635', '6425', '9093', 's', 'E', 5159, 'o']