In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['l', 'u', 3223, 'j', 'Q', 'r', 4541, 'q', 'G', 'F', 3855, 1887, 'v', 'O', 's', 't', 'Q', 'w', 'S', '6123', '5497', 'G', 'e', 'A', 'd', '2285', '321', '3741', '2119', '5255', '9603', 'E', 6069, 'q', 'Y', 'p', 'G', 'S', 453, 2467, 'O', 'n', 'b', 3805, 'N', 'H', 'j', 'M', 7217], ['A', 'K', 4979, 'U', 'O', 'v', 'O', 's', 't', 'Q', 'w', 'S', '6123', '5497', 'G', 'e', 'A', 'd', '2285', '321', '3741', '2119', '5255', '9603', 's', 5799, 853, 'l', 567, 'H', 7141, 4959, 'G', 8785, 1161, 'Y', 4527, 'a', 3867, 5639]