In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[9469, 8117, 'I', 1049, 6153, 'L', 1465, 9935, '857', '4275', 'O', '3819', '4873', 'p', '8971', 'E', '3587', '4115', '1407', '5177', 'b', 'T', '111', 'z', 'z', '7879', 't', 'h', 'G', 'M', 'r', 6565, 'g', 'A'], [8843, 'R', 1387, 'U', '857', '4275', 'O', '3819', '4873', 'p', '8971', 'E', '3587', '4115', '1407', '5177', 'b', 'T', '111', 'z', 'z', '7879', 't', 'd', 'X', 'R', 'A', 'P', 3527, 'D', 9207, 8179, 'G']