In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['n', 137, 'q', 'Q', 10017, 2119, 'g', 8921, 'L', 'A', 'c', 'U', 7067, 'P', '7789', 'O', 'H', 'h', 'T', 'C', '9427', 'b', '4887', '7659', 'i', 'q', '8123', '7571', '8653', '4961', 'W', 'K', '6323', 'm', '9669', '4821', '6503', 'M', 'N', 4975, 'w', 4937, 9409, 2427, 'n', 7733, 'o', 3717, 141, 'e', 'z', 'X', 'c', 'q', 6443, 'W', 'Q', 'j', 7043, 1977], ['I', 9, 5027, 3147, 1945, 6141, 'u', 2685, 2253, 8359, 'z', 4431, 8465, 3145, 'k', '7789', 'O', 'H', 'h', 'T', 'C', '9427', 'b', '4887', '7659', 'i', 'q', '8123', '7571', '8653', '4961', 'W', 'K', '6323', 'm', '9669', '4821', '6503', 'M', 'B', 'N', 8081, 'W', 'H', 'A', 'w', 'j', 661, 'D', 8029, 49, 'y', 6639, 829, 771, 9575, 7371]