In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['V', 'V', 'x', 'B', 'm', 2351, 1719, 'Y', 'g', 'y', 1023, '691', 'Y', 'z', 'N', '9105', 'l', 'L', '8697', '637', '35', 'x', 'f', 'w', 'B', 6387], ['h', 'y', 'k', 'K', 1259, 'n', 417, 'B', 8639, 4291, 'H', '691', 'Y', 'z', 'N', '9105', 'l', 'L', '8697', '637', '35', 'x', 'f', 'w', 'l', 'l', 'r', 9335, 4975, 2855, 9041, 'a', 'R', 9209, 9049]