In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['R', 437, 'S', 'N', 'H', '3615', 'w', 'j', 'N', '6991', '7577', 'O', 'z', 'k', 'F', 'T', '3585', '5505', '5485', 'f', 'B', 3579, 'v', 8529, 'i'], ['w', 'j', 'X', 'G', 'I', 4567, 'H', 'w', 8869, 4535, 'L', 'q', 'u', 'V', 'L', '3615', 'w', 'j', 'N', '6991', '7577', 'O', 'z', 'k', 'F', 'T', '3585', '5505', '5485', 'f', 'R', 155]