In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[1427, 2735, 'n', 'x', 5645, 'm', 1621, 'X', 'G', '907', 'I', '3145', '8813', 'e', 'v', 'O', '9995', '2985', 'N', '4897', 'c', 'w', 'v', 'Y', 'N', 'A', 'w', 'R', 'V', 'Y', 8593, 'S', 'Z', 4043, 2943, 'Z', 'J', 'w', 'T', 9557, 'X'], [4229, 7163, 7743, 'U', 'o', 'x', 8889, 421, 1067, 'D', 'K', 2595, 'w', 'V', '907', 'I', '3145', '8813', 'e', 'v', 'O', '9995', '2985', 'N', '4897', 'c', 'w', 'v', 'Y', 'N', 'A', 'w', 'Y', 'i']