In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['o', 'h', 1177, 'k', 6159, 'j', 'p', 6561, 'h', 8197, 6315, 9123, 5489, 5605, 'u', 'w', 4973, 5361, '1833', '3577', '9267', 'l', 'O', '5201', '847', '6303', '1395', '1341', '6209', '7759', '3239', '5359', '6673', 'F', 'O', '3927', 'z', 'k', '567', '4795', 'f', 8767, 'L', 's', 5315, 8997, 3689], ['D', 'p', 3729, 'a', 'Y', 4197, 2627, 7573, 'B', 'G', 'f', 5225, 3767, 7985, 'f', 'I', 1083, '1833', '3577', '9267', 'l', 'O', '5201', '847', '6303', '1395', '1341', '6209', '7759', '3239', '5359', '6673', 'F', 'O', '3927', 'z', 'k', '567', '4795', 'e', 2871, 6993, 5249, 'c', 6225, 'C', 2921, 5955, 's', 'I', 3317, 'N', 'A', 'w', 'I', 'x', 'Z', 'K']