In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[5855, 5381, 4557, 1925, 5483, 'e', 'G', 5611, 'i', 'm', 8803, 'B', 'y', 'E', 'q', 'b', '3923', '4531', '3417', '6771', '4237', '5073', 'f', '71', '9965', 'S', 'R', '2881', 'Z', '7031', '5001', '6173', 'k', 'b', 'w', 'Z', 'S', 7197, 193, 5037, 7897, 'u', 'z', 5457, 2889, 5487, 7755, 4747, 6959, 3923, 7809, 547, 'a', 5151, 'x', 'N', 'S', 'A', 's', 'x', 8791], ['t', 'F', 8629, 's', 'a', 'L', 6413, 'V', 'Q', 'R', 'C', 'J', 'B', 'y', 'E', 'q', 'b', '3923', '4531', '3417', '6771', '4237', '5073', 'f', '71', '9965', 'S', 'R', '2881', 'Z', '7031', '5001', '6173', 'k', 'b', 'w', 'Z', 'A', 'w']