In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['T', 'r', 'g', 'l', 1287, 'F', 'L', 9515, 'W', 'j', 'F', 4179, 9893, 3181, 9591, 'I', 6407, 4891, 6717, 'b', 'S', '305', 'M', 'A', 'P', '241', '5169', '1781', '8825', 'E', '7001', '1411', 'Q', '7835', '8451', '8987', '1139', '5447', '9199', '6897', 'P', '2423', '4797', 'F', '6909', 't', 'x', '5069', 'w', 2945, 'w', 'O', 5423], ['n', 'j', 1915, 6817, 'U', 8353, 3257, 'E', 5127, 'W', 'L', 'M', 2999, 3481, 4425, 'h', 4831, 'I', 'Q', 2741, 7481, 7425, 9469, 'P', 15, 'm', 'S', '305', 'M', 'A', 'P', '241', '5169', '1781', '8825', 'E', '7001', '1411', 'Q', '7835', '8451', '8987', '1139', '5447', '9199', '6897', 'P', '2423', '4797', 'F', '6909', 't', 'x', '5069', 'L', 'M', 'q', 'y', 't']