In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['t', 'u', 'b', 'e', 'u', '1881', '2013', '4913', 'G', 'n', 'J', 'T', 'E', 'B', '4603', 'n', 263, 9351, 'v', 'v', 'O', 'p', 'T', 'K', 'n'], ['R', 8475, 'd', 'v', 1763, 'I', 5125, 5209, 'j', 8749, 'u', '1881', '2013', '4913', 'G', 'n', 'J', 'T', 'E', 'B', '4603', 'W', 657, 'A', 5563, 1739, 'S']