In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.

[1063, 'q', 'i', 3207, 9625, 'X', 3719, '7321', '4167', 't', '9059', 'U', '7187', '2771', '2629', 'O', '6875', '5241', '7573', 'C', 'i', 'q', 'x', '4951', 'F', '4349', '437', '6871', 'y', 'k', 'R', '2353', 'y', '7867', '8713', '6141', 'F', 6531, 4021, 'Q', 3933], ['Z', 'z', '7321', '4167', 't', '9059', 'U', '7187', '2771', '2629', 'O', '6875', '5241', '7573', 'C', 'i', 'q', 'x', '4951', 'F', '4349', '437', '6871', 'y', 'k', 'R', '2353', 'y', '7867', '8713', '6141', 'p', 'D', 'B', 'Q', 3649, 6629, 'j', 2937, 8819]
7321, 4167, t, 9059, U, 7187, 2771, 2629, O, 6875, 5241, 7573, C, i, q, x, 4951, F, 4349, 437, 6871, y, k, R, 2353, y, 7867, 8713, 6141