In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[9349, 'I', 3155, 'g', 'l', 'A', 'P', 'j', 1197, 6155, 1017, 'y', 'H', 7819, 8117, 9301, 3667, 2393, 5577, 'k', '4855', '681', 'o', '8851', '8119', '6745', '3857', '4541', '9817', '8147', '4933', '4099', '1983', '343', 'K', '6535', '2311', '2285', 'B', 'B', 5503, 'F', 'd', 5155, 'I', 9083, 4717, 4039, 5019], ['n', 4061, 'c', 1117, 'k', '4855', '681', 'o', '8851', '8119', '6745', '3857', '4541', '9817', '8147', '4933', '4099', '1983', '343', 'K', '6535', '2311', '2285', 'l', 'x', 6645, 3859]