In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[4733, 'Z', '1227', 'R', '1875', '5213', 'o', 'j', '8017', '8881', '2941', 'z', 'e', '4585', 'r', 'H', 'r', '4439', '5043', '3309', 'f', 'T', 'l', 't', 'Z', '5685', '5281', 'M', 'K', 8769, 'P', 1327, 'R', 'd', 1393, 'i', 6509, 'W', 'r'], [6475, 'O', 'T', 's', 1307, 1255, 'o', 6047, 'o', 'N', 4847, 'i', 'T', 'l', 7509, 255, 4975, '1227', 'R', '1875', '5213', 'o', 'j', '8017', '8881', '2941', 'z', 'e', '4585', 'r', 'H', 'r', '4439', '5043', '3309', 'f', 'T', 'l', 't', 'Z', '5685', '5281', 'v', 't', 3273, 'j', 7569, 'q', 215, 'o', 7277, 8757, 5363, 's', 9011, 'b', 'U', 4931, 'h', 5665, 'T', 8765, 'H', 'c']