In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['Q', 3969, 'w', 9905, 8951, 'Q', '5679', '8979', '425', 'i', '5369', '4323', 'E', 'C'], ['A', 5995, 3343, 'Q', '5679', '8979', '425', 'i', '5369', '4323', 'q', 3059, 'O', 4859]