In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['T', 'r', 3569, 3441, 8739, 'd', 'X', 'S', 'J', 'b', '1965', 'v', 'P', '609', '6129', 'e', '3391', 'L', 'l', 'D', '5031', 'D', 'e', '9407', 'N', '2633', '9557', '881', 'R', '4151', 'P', '6937', '983', '4687', 'K', 'j', 'B', 1717, 9463, 9975, 'u', 'l', 9393, 745, 3009, 7729, 757, 'j', 'c'], ['k', 'd', 3479, 'm', 'Q', 'u', 8789, 5531, 7265, 'l', 'B', 8245, 'X', 'g', 'p', 'o', '1965', 'v', 'P', '609', '6129', 'e', '3391', 'L', 'l', 'D', '5031', 'D', 'e', '9407', 'N', '2633', '9557', '881', 'R', '4151', 'P', '6937', '983', '4687', 'K', 'b', 'X', 7169, 2989, 'D', 1773, 9325, 'j', 'a', 'I', 'm', 'g', 4427, 3007, 'n', 9201, 8737, 1385, 't', 'Z', 8175, 'R', 'M', 8673, 'n']