In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[2033, 225, 'r', 1661, 5931, 't', 4269, 'D', '5777', 'C', 'A', 'f', '8935', 'm', 'Z', '1393', '9285', 'I', 'f', '303', 'O', '9111', 'Z', 'L', '5665', 'P', '2291', 'j', 'o', '7749', '1899', 'N', '3537', 'x', 'g', 'z', 8401, 'E', 21, 'B', 1837, 4357, 4887, 'q', 3535, 'B'], ['m', 'H', 'M', 3757, 4321, 'b', 1533, 9929, 3837, 'D', '5777', 'C', 'A', 'f', '8935', 'm', 'Z', '1393', '9285', 'I', 'f', '303', 'O', '9111', 'Z', 'L', '5665', 'P', '2291', 'j', 'o', '7749', '1899', 'N', '3537', 'x', 'g', 'S', 'P', 'r', 'M']