In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[7291, 'r', 10003, 'Z', 'H', 'h', '6381', 'J', 'N', '8353', 'U', '1935', '1395', 'y', '4659', 'k', 'q', 'i', 'Y', '8739', '9263', 'J', 'r', 'b', 'v', 'i', 'J', 'J', 1369, 'H', 6627, 'v', 'g', 'v', 4323, 5645, 'Q', 'y', 'Z', 6907, 479, 'h', 'I', 'r', 3103, 5675, 2071, 'Y'], ['R', 'T', 873, 553, 'G', 'L', 'J', 'e', 'g', 'o', 'Y', 'g', '6381', 'J', 'N', '8353', 'U', '1935', '1395', 'y', '4659', 'k', 'q', 'i', 'Y', '8739', '9263', 'J', 'r', 'b', 'v', 'i', 'J', 'B', 'y', 1537, 'n', 'O', 4593, 2909, 9739, 1045, 1523, 8479, 6883, 'F', 5369, 'a', 'N', 'n']