In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['e', 3873, 'p', 'a', 495, 9187, 'Z', 'a', 'Y', 2775, 1991, 'P', 2949, 'D', 747, 'j', 'e', 'j', 'V', 'h', '6027', '409', '3007', '5455', '5919', '5131', 'C', '7509', 'U', '2345', 'c', 'G', '9745', '8899', 'u', 'j', '1571', 'B', 'S', 'N', 'E', 1689, 'm', 761, 4341], ['n', 'V', 'u', 'q', 1689, 'j', 'V', 'h', '6027', '409', '3007', '5455', '5919', '5131', 'C', '7509', 'U', '2345', 'c', 'G', '9745', '8899', 'u', 'j', '1571', 'M', 'i', 3335, 'j']