In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[5071, 3641, 'a', 'n', 4549, 'K', '6783', 'P', '5113', '9801', '4323', 'u', '4227', 'G', 'J', '5259', 't', 'G', 'L', 3179, 10017, 'p', 1633, 3951, 3277, 'c'], ['k', 3793, 'G', 'z', 'F', 3735, 595, 'c', '6783', 'P', '5113', '9801', '4323', 'u', '4227', 'G', 'J', '5259', 'f', 'u', 9709, 6341, 'N', 'F', 'G', 5533]