In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['y', 'x', 9651, 641, 7151, 'M', 717, '7315', '7377', 'R', 'Q', '7113', '6517', 'q', 'v', 'n', 2711, 'Y', 'G', 2405, 'W', 'U', 119], ['F', 'V', 'R', 5549, 'C', 4961, '7315', '7377', 'R', 'Q', '7113', '6517', 'q', 'v', 'H', 'z', 6487, 2875, 'p', 4831, 'D', 2001]