In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['E', 4645, 'e', 'n', 'B', 5463, 6913, 8781, 'V', 5431, 2093, 'p', 'O', 'f', 'G', '9281', 'N', 'U', 'g', '8099', '2933', 'g', '7147', '7487', 'P', '8595', '613', 'g', 'a', '2477', 'R', 'M', 'j', 'C', 'g', 's', '8973', '503', 'F', 8327, 'o', 'u', 'x', 8857, 3197, 'Z', 1627, 'b', 8625, 'i', 'z', 7747, 'P', 4601, 'J', 1135, 'r', 9421, 5161, 177, 'Y', 'Y', 8459, 1323], [2471, 'W', 'j', 5445, 487, 'D', 4091, 'P', 'h', 'S', 'r', 'a', 'J', 'I', 6971, 3475, 'p', 'O', 'f', 'G', '9281', 'N', 'U', 'g', '8099', '2933', 'g', '7147', '7487', 'P', '8595', '613', 'g', 'a', '2477', 'R', 'M', 'j', 'C', 'g', 's', '8973', '503', 'B', 2857, 'z', 'w', 'b', 'V', 7163, 4553, 5793, 'v', 5601, 'K', 'Z', 'b', 'a', 6081, 't', 'w', 1979]