In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[1337, 'b', 'W', 'b', 5327, 'r', 9929, 2237, 'C', 'v', 9553, 3507, 'j', 't', 1801, 3565, '9535', '419', '6481', '4693', 'i', 'J', '9957', 'e', 'V', '2211', '7307', '5583', 'z', 'M', '6693', '8077', '427', 'z', 'U', 'S', 'a', 'q', 'n', 5917, 'I', 8563, 8559, 'c', 'o', 6827, 't', 'e', 'f', 5267, 'S'], ['H', 7089, 'G', 1605, '9535', '419', '6481', '4693', 'i', 'J', '9957', 'e', 'V', '2211', '7307', '5583', 'z', 'M', '6693', '8077', '427', 'z', 'Z', 'Y', 5543, 'u', 8849, 'p', 7, 'v', 't', 3405, 6569, 7205, 3231]