In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['R', 'd', 2427, 'M', 8375, 'L', 'a', 'H', 5537, 'R', 6799, 7511, 73, '4819', '2635', '1187', '7511', 'w', '3503', '8069', '7929', 'b', '109', 'z', '1393', '5633', 'O', '7361', '5135', 'o', 'R', 'o', 8423, 8487, 's', 'c', 'n', 'r', 'c', 9, 6927, 'k', 'F', 3205, 'n', 'W', 'j'], ['T', 8149, 's', 3087, 10015, 'm', 'G', 'g', 8255, 'm', 's', 4349, 4859, '4819', '2635', '1187', '7511', 'w', '3503', '8069', '7929', 'b', '109', 'z', '1393', '5633', 'O', '7361', '5135', 'o', 'R', 'R', 6031, 3897, 4289, 'p', 'c', 4751]