In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['C', 'D', 'l', 'o', 'S', '1507', 'U', 'l', 'H', 'j'], [193, 'R', 'T', 'o', 'S', '1507', 'U', 'b', 3161, 5919, 'T']