In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['K', 963, 'j', 8753, '5485', '9155', 'h', '3033', '9237', '5315', '3939', 'p', '2083', '8011', 'E', 'I', 709], [9077, 'd', 'G', 8203, 8953, 'i', 6387, '5485', '9155', 'h', '3033', '9237', '5315', '3939', 'p', '2083', '8011', 'E', 'U', 'k', 5919, 1057, 4349, 1203, 3029, 7977]