In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[8919, 8077, 8141, 'I', 'E', 3651, 'L', 'n', 'f', 9971, 'K', '2093', '9257', 'o', 'V', '753', '2771', '8481', 'C', 'e', 'l', 'f', '4063', '163', '3173', '2787', '6631', 'P', '9369', '9315', 'k', 'S', 4327, 'M', 'u', 'b', 'X', 6299, 't', 6741, 5375, 'd', 'n', 'T', 2675, 'i', 2525, 'o'], [1683, 'Q', 6703, 3483, 2241, 'T', 9685, 'K', '2093', '9257', 'o', 'V', '753', '2771', '8481', 'C', 'e', 'l', 'f', '4063', '163', '3173', '2787', '6631', 'P', '9369', '9315', 'k', 'b', 'T']