In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[6077, 'n', 8877, 3497, 'E', 2639, 1877, 'N', 9243, 7093, 1311, 3235, '3857', '5293', '1469', 'v', '7339', '4087', 'Q', 'u', '5073', '3047', 'X', '5095', 'o', '1237', '5795', '9987', 'J', '1379', '2079', '4367', '561', 'w', 'C', 'W', '8155', 'X', 'l', 1755, 8011, 'i', 'g', 't'], ['R', 1717, 'Y', 9697, 9609, 617, 1447, 'Z', 'n', 'X', 'E', 'b', 'h', 'f', 'c', 9989, 'O', 1009, 'B', 7821, 9879, 'R', 'V', 'm', 'M', '3857', '5293', '1469', 'v', '7339', '4087', 'Q', 'u', '5073', '3047', 'X', '5095', 'o', '1237', '5795', '9987', 'J', '1379', '2079', '4367', '561', 'w', 'C', 'W', '8155', 'F', 'M', 3903, 'C', 'B', 9917, 1813, 'D', 2167, 'G', 2905, 'F', 'E', 8483, 'z']