In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[2835, 'Z', 'r', 5151, 'd', 9239, 'z', 7441, 'a', 7071, 'u', 8571, 9379, 'X', 261, 5273, 't', 6575, 'i', 7909, 'F', 'O', '5683', '3655', '2515', '4743', 'd', '6899', '1513', 'C', '9665', 'Y', 's', 'e', 'r', '393', 'c', 'J', 'H', '3151', 'I', 'e', 'Z', 'H', 'm', '6869', 'T', 'Z', 8655, 2431, 'K', 'W', 'a', 'r', 'G', 'G', 'y', 'G', 1401, 3273, 'k', 9401, 'W'], [5519, 1083, 'y', 's', 'R', 'g', 1447, 'E', 'M', 5819, 3247, 'j', 'F', 'O', '5683', '3655', '2515', '4743', 'd', '6899', '1513', 'C', '9665', 'Y', 's', 'e', 'r', '393', 'c', 'J', 'H', '3151', 'I', 'e', 'Z', 'H', 'm', '6869', 'T', 'f', 'i', 8089, 'Q', 1089, 4453, 7307, 'd', 9251, 'P', 6591, 2697, 'V', 'B', 2809, 2137, 1, 2183, 4343, 'd', 'K']