In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['y', 3009, 4031, 'R', 'H', 45, 'q', 9437, 'J', 4905, 6279, 3933, 5489, '5805', '99', 'q', '909', '4093', 'O', 'q', '5711', 'E', 'z', 'M', 'p', '8727', 'q', 'X', 'c', 'D', 3675, 'I', 'f', 'a', 'H', 'k', 4989, 5245, 'V', 'O', 1659, 'l', 4433, 'F'], [8355, 'A', 'M', 941, 9397, 177, 'u', 5481, 163, 4907, 'q', '5805', '99', 'q', '909', '4093', 'O', 'q', '5711', 'E', 'z', 'M', 'p', '8727', 'q', 'X', 'c', 'X', 963, 9787, 3013, 743, 2193, 6399, 9301, 'F', 8587, 6545, 'p', 'u']