In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[2261, 'I', 'H', 's', 1383, 'X', 6747, 'v', 'g', 'Y', 'v', 'd', 'q', 6719, '5241', '6321', 'i', '2209', 'M', 'A', 'j', 'R', '111', 'j', 'A', '8519', 'y', '2719', '5051', '2299', 'F', '273', '7683', '6663', 'L', 4003, 'p', 'W', 'P', 5445, 'n', 'R', 2265, 6575], ['a', 'K', 'a', 'V', 5803, 'K', '5241', '6321', 'i', '2209', 'M', 'A', 'j', 'R', '111', 'j', 'A', '8519', 'y', '2719', '5051', '2299', 'F', '273', '7683', '6663', 'e', 7875, 1721, 'H', 2927, 2299, 9389, 313, 6839, 4393, 'o', 5807, 'j', 'X', 'Q', 'F', 'm', 'A', 'S']