In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[5389, 2505, 'A', 2937, 6267, 2603, 2837, 349, 'h', '1245', '1445', 'q', '7801', 'E', 'E', '3793', '7013', '1917', '7585', '7357', 'i', '287', 'U', '3901', '4055', '3129', 't', 'm', '1983', '8283', 'I', 't', 4441, 5069, 9791, 'E', 7933, 'L', 3333, 5137], [3207, 'V', 9643, 'e', 'h', '1245', '1445', 'q', '7801', 'E', 'E', '3793', '7013', '1917', '7585', '7357', 'i', '287', 'U', '3901', '4055', '3129', 't', 'm', '1983', '8283', 'O', 'l', 'P', 't', 4343, 'p', 'U', 'V', 1411, 5783, 9919, 3503, 1005, 6783, 'B']