In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['j', 9449, 'F', 4255, 8127, 6011, 7823, 8345, 'z', 3829, '7033', 'T', 'L', 'O', '2437', '7557', '7687', '4547', 'A', '1697', 'L', '2449', 'A', '1453', '719', 'n', 'W', '2201', 'P', '817', '1211', '8521', 'E', 5, 't', 3709, 'O', 'S', 3199, 5081, 831, 1263, 5573, 's', 'y', 5009, 'M', 4161, 7527, 3489, 1183, 'v', 'n', 8849], ['H', 2029, 9995, 1507, 5237, 'o', 655, 977, 'W', 'L', 'E', 'Y', 8373, 'i', 7805, 7867, 3549, 1697, '7033', 'T', 'L', 'O', '2437', '7557', '7687', '4547', 'A', '1697', 'L', '2449', 'A', '1453', '719', 'n', 'W', '2201', 'P', '817', '1211', '8521', 'U', 'c', 7629, 'l', 'V', 'i', 'b', 'C', 4193, 6287, 'l', 'y', 2023]