In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['t', 9899, 9967, 7103, '661', 's', 'j', '4117', 'E', 8229, 'k'], [5369, 'N', 4115, '661', 's', 'j', '4117', 'Z', 'n']