In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['w', 7201, 'b', 4201, 4227, 'r', '6505', 'N', '2885', '937', 'N', '221', '3189', '9157', 'O', '7007', 'U', '185', 'q', '9399', 'P', 'J', 'r', 'o', 'L', 'O', '4439', 'W', 'D', 'p', 'G', '6015', '6679', 'H', 'I', 'R', 9521, 8475, 6573, 'b', 'e', 9099, 227, 'v', 'g', 'b', 'R', 'p', 'c', 6195, 3983, 'p', 'o', 9577, 1115, 4339, 'Q'], [2801, 'L', 'r', '6505', 'N', '2885', '937', 'N', '221', '3189', '9157', 'O', '7007', 'U', '185', 'q', '9399', 'P', 'J', 'r', 'o', 'L', 'O', '4439', 'W', 'D', 'p', 'G', '6015', '6679', 's', 7365, 8581, 5133, 8503, 'j', 's', 'M', 9931]