In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['X', 'E', 6659, 'u', 5231, 1609, 'd', 's', 'v', 'V', 'h', 223, 'p', 'E', '3737', 'b', 'k', 'H', '1691', '2781', '8949', 'e', 'o', 'P', 'e', 'm', 'c', 'G', 'Y', '743', 'M', 't', 'G', 'z', 'j', 'l', 5125, 'p', 6101, 2127, 'Z', 7969, 'r', 2335, 2673, 'q'], ['J', 'C', 'D', 'o', 7527, 611, 'h', 'N', 'T', 8349, 1805, 't', 9857, 6465, 5781, 'O', 'M', 'V', 'b', 'p', 'E', '3737', 'b', 'k', 'H', '1691', '2781', '8949', 'e', 'o', 'P', 'e', 'm', 'c', 'G', 'Y', '743', 'M', 't', 'r', 'a', 'N', 831, 'L', 'o', 'W', 5789, 'O', 8621, 7361, 'L', 'L', 'h', 8817, 9897, 6341]