In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['m', 219, 8699, 1941, 4413, 91, 6531, 3431, 2149, 'F', 6025, 2941, 'g', 'R', 1421, 4845, 6945, 'F', 3155, 'Z', 'g', 8151, 'Q', 'B', 'O', 'K', 'T', 'h', '2207', 'Y', 's', '4575', '1035', 'b', 'A', 'i', 'u', 'V', '9869', '1667', '2315', '9281', '9529', '5185', '8661', '7911', '6615', '1565', 'A', '7871', 'T', '7773', '393', 'Q', '2881', 'B', 'V', 6947, 177, 'h', 'Q', 4417], ['H', 'q', 6493, 'x', 3437, 3833, 7953, 'h', '2207', 'Y', 's', '4575', '1035', 'b', 'A', 'i', 'u', 'V', '9869', '1667', '2315', '9281', '9529', '5185', '8661', '7911', '6615', '1565', 'A', '7871', 'T', '7773', '393', 'Q', '2881', 'n', 'S', 'y', 'J', 'P', 's', 287, 8421, 'B', 'W', 2309, 'W', 2881, 'G', 'B', 'c', 'Z', 'A', 'z', 'n', 's', 8707, 'Q']