In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[71, 3089, 5449, 'O', 'J', 8019, 'V', '415', '7969', '4229', 'Z', 'w', 'N', 'A', 'x', '7231', '9471', '8581', 'q', '7059', 'g', '6355', 'f', 'R', 'x', 8053, 'G', 'n', 'j', 5465, 7191, 9041, 'S', 'N'], ['k', 577, 'g', 4217, 283, 4313, 909, 'h', 'J', 8235, 'E', 'D', '415', '7969', '4229', 'Z', 'w', 'N', 'A', 'x', '7231', '9471', '8581', 'q', '7059', 'g', '6355', 'Z', 1313, 3527, 'J', 'L', 'e', 'C', 2115, 'W', 4137, 4163]