In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['B', 'd', 4681, 3865, 6697, 'z', 'y', 'F', 'b', 'C', '5083', '8953', 't', 'p', 'O', 9145, 9929, 2947, 'S', 6823, 9807], ['w', 'c', 1733, 'y', 'F', 'b', 'C', '5083', '8953', 't', 'p', 'M', 9183, 5901, 'I', 'T', 'A', 'E']