In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[9259, 'o', 7501, 9339, 'e', 'j', 5201, 'F', 'm', 'Z', 4739, 9513, 'K', 4007, 7951, 'Q', 'h', 'W', 'z', 'N', '2169', '8227', '4427', 'i', '3431', 'D', '9789', 'a', 'g', '6779', '739', 'l', '8281', 'N', 'U', 4829, 'y', 9199, 'x', 'p', 'a', 6045, 'e', 7543, 's', 'r'], [1303, 8999, 'c', 'N', 'x', 'r', 'u', 2907, 7717, 493, 3131, 5091, 'e', 'a', 'y', 'W', 'z', 'N', '2169', '8227', '4427', 'i', '3431', 'D', '9789', 'a', 'g', '6779', '739', 'l', '8281', 'N', 'z', 'v', 1137, 't', 'R', 'm', 'I', 'b', 'S', 'Z', 'z', 6319, 43, 'B']