In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['F', 'Z', 'M', '3681', 'd', 'F', 'G', 's', '5889', 'L', 393, 8741, 't', 'C', 4311], [7201, 8989, '3681', 'd', 'F', 'G', 's', '5889', 'O', 'A', 'J', 'k', 7279]