In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[1379, 'I', 5587, 'v', 'u', 'F', '2421', 'E', 'V', 'p', '9207', '1763', 'H', '4549', '9981', 'd', '8601', 'f', 'h', 'W', 'T', '3689', 'e', '431', '4343', '9407', 'h', '6561', 'L', '7053', '9559', '4199', 'j', '7859', 'Y', 1555, 'b', 9345, 9467, 6221, 5871, 6245, 5497, 6089, 'N', 9357, 9671, 4085, 2281, 'z', 7797, 8697, 's', 8389, 3181, 7631, 8149, 'z', 9685, 'O', 'R', 'x', 'l'], [1301, 8657, 'Q', 'C', 5393, 2881, 'M', 'l', 'C', 7473, 'u', 'F', '2421', 'E', 'V', 'p', '9207', '1763', 'H', '4549', '9981', 'd', '8601', 'f', 'h', 'W', 'T', '3689', 'e', '431', '4343', '9407', 'h', '6561', 'L', '7053', '9559', '4199', 'j', '7859', 'D', 9835, 6351, 9719, 6995, 'e', 'Q', 'X', 'K', 'E', 'n', 'W', 'Q', 'H', 'h', 'Y', 1525]