In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[573, 6631, 'u', 1335, 'I', 'W', 7353, 4367, 'R', 'G', 8845, 'D', 4773, 10005, 'P', 3371, 8635, 'x', 'B', 'K', 4175, 5509, 8339, 'e', '4907', 'e', '8381', '5705', '7401', 'v', '6079', 'l', '9233', 'h', 'j', '879', '45', '6379', '65', '3547', 'n', '9157', '9873', 'C', '8195', '1535', 'G', '8143', 'B', 'N', 'R', 'A', 'g', 'k', 'Q', 4563, 'm', 5741, 'P'], ['K', 5177, 3807, 8367, 4977, 's', 'C', 'O', 'I', 'j', 'R', 4281, 8889, 3099, 'F', 'x', 'b', 'Y', 'z', 'u', 5899, 'A', 8695, 'q', 'v', 'z', 8617, 5187, 'I', 'e', '4907', 'e', '8381', '5705', '7401', 'v', '6079', 'l', '9233', 'h', 'j', '879', '45', '6379', '65', '3547', 'n', '9157', '9873', 'C', '8195', '1535', 'G', '8143', 'B', 'N', 'R', 'A', 'K', 879, 8747, 'C', 'q', 'b', 7433, 'R', 'i', 'B', 1021, 7293, 7863, 'p', 8401, 8719, 7979, 751, 'C', 5287, 7459, 6229, 'J', 4621, 'd', 3851]