In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['v', 9571, 'F', '3503', '5505', '2109', 'X', 'c', 'z', 'h'], ['a', 'S', 3869, 'F', '3503', '5505', '2109', 'u', 'D', 9369, 'M']