In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[3395, 'r', 'Q', 2025, 'e', 1105, 2323, 'P', 1527, 'f', 'o', 'G', 'o', 'c', 3589, 805, 'Y', 'i', 'S', 'W', 'i', '7841', '3427', 'D', 'y', 'a', 'C', '333', 'Z', 'Y', 'J', '833', 'F', '6587', '9157', '987', '1135', '9019', '2893', '5573', '605', '1105', '6869', 'h', 'S', 'l', 'v', 'U', 'n', 'm', 'x', 'g', 4443, 5897, 'i', 883, 'v', 'C', 'k', 4379], [9707, 3759, 'L', 6005, 's', 8569, 9395, 'y', 'S', 'E', 'i', 'S', 'W', 'i', '7841', '3427', 'D', 'y', 'a', 'C', '333', 'Z', 'Y', 'J', '833', 'F', '6587', '9157', '987', '1135', '9019', '2893', '5573', '605', '1105', '6869', 'h', 'S', 'l', 'b', 'V', 'k']