In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['T', 2379, 6359, '1619', '9359', 'v', 'F', 'P', '9233', 'F', 'L', '3853', 'i', '2915', '3709', 'o', 'f', '7947', 'y', '4265', '6403', 'y', 'n', 'b', 7179, 2433, 'o', 9645, 'k', 'q', 'z', 9017, 8575, 6663, 'C', 1825, 6675, 7295, 2953, 's'], [8239, 'U', 6339, 'm', 4809, 'm', 'B', 3657, '1619', '9359', 'v', 'F', 'P', '9233', 'F', 'L', '3853', 'i', '2915', '3709', 'o', 'f', '7947', 'y', '4265', '6403', 'y', 'C', 'U']