In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[83, 'h', 2559, 'R', 2299, 8323, 'b', 't', 9439, 4535, 'V', '4719', '5431', '6301', 'n', 'r', '1433', 'X', 'T', 'i', '4449', 'x', 5065, 6875, 3619], ['o', 5401, 'd', 'V', '4719', '5431', '6301', 'n', 'r', '1433', 'X', 'T', 'i', '4449', 't', 's', 4785, 3341, 6017]