In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[3341, 1723, 3869, 1275, 4651, 'B', 9167, 855, 'I', 35, 'h', 9131, '3593', '8423', 'y', 'y', '8861', 'v', '4247', 'Q', 'R', 'C', '6801', 'R', 'b', 'D', 'D', '5751', 'H', '2407', '2105', 'O', 'D', 1487, 'j'], [1417, 1061, 9813, 'H', 6915, 'v', 9801, 5147, 3017, 'd', 'S', 'I', 'G', 'B', 1413, 6269, 893, 9103, '3593', '8423', 'y', 'y', '8861', 'v', '4247', 'Q', 'R', 'C', '6801', 'R', 'b', 'D', 'D', '5751', 'H', '2407', '2105', 'w', 'a', 'j', 'r', 'Q', 'h', 'U', 'E', 9677, 69, 'C', 5839, 'e', 'V', 7347, 2191, 4339, 8525, 'a']