In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['G', 'W', 5569, 'L', 'i', 'g', 8271, 2071, 'Z', 7011, 'M', 'Y', '1723', 'i', 'z', 'Z', '3571', 'S', 'g', '7651', '2165', '4931', 'Z', 'A', 1115, 6545], ['F', 'G', 'u', 5089, 'h', 'M', 'Y', '1723', 'i', 'z', 'Z', '3571', 'S', 'g', '7651', '2165', '4931', 'Z', 'B', 8549]