In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['s', 1853, 'h', 'T', 'f', 'N', 'c', 643, 8659, 'E', 'v', 'A', 't', 779, 'S', 'p', 'A', '9745', '2013', 'o', '9115', 'Y', 'f', 'l', '9683', '4447', 'G', 'W', '3807', '6689', '3789', '9207', '4683', 's', '6555', '7405', 'F', '7739', '3145', '8895', '2515', 'X', 1613, 't', 'Q', 747, 'F', 9819, 7747, 7059, 509, 1169, 'z', 9807, 4297, 7399, 7009, 'z', 'L', 3495, 'c', 'l', 'd', 'A'], ['C', 4481, 'H', 3327, 7321, '9745', '2013', 'o', '9115', 'Y', 'f', 'l', '9683', '4447', 'G', 'W', '3807', '6689', '3789', '9207', '4683', 's', '6555', '7405', 'F', '7739', '3145', '8895', '2515', 'F', 'o', 'O', 2361, 9341]