In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['G', 5341, 2389, 'v', 't', 4089, 5081, 'z', 3511, 'E', 'q', 955, 'O', 'P', '6145', '6873', 'O', '8925', 'b', '1887', 'l', '3859', '1295', 'H', '369', '4975', '8327', '4809', '8549', 'm', '2597', 'f', '2643', '1133', 'i', 3869, 'J', 7545, 'S', 'n', 3761, 127], [1563, 3147, 5281, 5949, 'q', 6873, 'e', 'j', 7609, 'm', 9169, 'd', 9871, 'P', '6145', '6873', 'O', '8925', 'b', '1887', 'l', '3859', '1295', 'H', '369', '4975', '8327', '4809', '8549', 'm', '2597', 'f', '2643', '1133', 'H', 6767, 'x', 579, 'f']