In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['b', 8751, 5941, 9385, 4529, 'I', 'K', '9881', '8513', '2129', '4967', 'N', '3919', 'v', 'n', 'k', '4841', 'x', '2211', 'x', 'm', 'E', '9035', 'O', 'T', 7083, 9, 4723, 'O', 'g', 'd', 4849, 8173, 1613, 4389, 'A', 8147], ['L', 7231, 'w', 'v', 9497, 'L', 'K', '9881', '8513', '2129', '4967', 'N', '3919', 'v', 'n', 'k', '4841', 'x', '2211', 'x', 'm', 'E', '9035', 'Y', 5817, 'R', 6097, 6153, 8667, 5161, 'M', 't']