In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[4041, 'R', 6427, 'a', 3327, 'q', 'O', 6037, 603, 'k', 6145, 'n', '9087', '445', 'J', 'I', '2585', '6647', '6731', 't', '2989', 'X', 'a', '6921', 'i', '41', 'E', 'K', 't', 337, 'Q', 'L', 8689, 'P'], [385, 'W', 9773, 'E', 6763, 5679, 1517, 'O', 8779, 'p', 1621, '9087', '445', 'J', 'I', '2585', '6647', '6731', 't', '2989', 'X', 'a', '6921', 'i', '41', 'D', 'q', 9001, 'y', 'I', 'C', 'k', 'm', 'Z', 219, 'C', 8303]