In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['X', 'j', 'Y', 4541, 7639, 'm', 'K', 305, 6733, 5077, 'S', 'S', '6005', 'v', '5903', '4231', 'z', 'p', '7235', 'w', '3597', '979', '3071', '3945', '8645', '8455', '9083', '8905', '999', '111', 'N', 'H', '2777', 'e', '9415', 'j', 'Q', '2679', 'w', 'g', '9581', '6053', 'j', 'P', 'x', 'r', 'K', 'C', 'R', 'k', 985, 1029, 't', 'c', 3835], [8563, 'b', 'D', 8893, 3193, 1043, 5807, 7563, '6005', 'v', '5903', '4231', 'z', 'p', '7235', 'w', '3597', '979', '3071', '3945', '8645', '8455', '9083', '8905', '999', '111', 'N', 'H', '2777', 'e', '9415', 'j', 'Q', '2679', 'w', 'g', '9581', '6053', 'z', 'S', 6681, 8187, 7139, 5221, 9683, 7271, 'c', 419, 'i']