In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['g', 'C', 2153, 9331, 'a', 5611, 6013, 1, 'M', 5319, 9015, 'p', 'W', 'X', 5733, 'O', '8635', 'r', 'P', 'q', '6257', '161', 'g', 'Y', '9347', '8375', 'd', 'B', '4229', '1777', '5985', '8179', 'L', 'Y', '7243', '4855', '3583', 'R', '2797', '8221', '2251', '3587', '8237', 't', '3155', 'e', 'H', 8553, 1879, 'h', 'k', 8529, 2239, 'f', 'r', 'I', 'Z', 'H', 5893, 'z'], [2503, 3379, 't', 2461, 'j', 4043, 8643, 'I', 7791, 'S', 7075, 8029, 3431, 7929, 189, 'u', 4321, 5209, 'H', 'K', 'q', 'W', 'C', '8635', 'r', 'P', 'q', '6257', '161', 'g', 'Y', '9347', '8375', 'd', 'B', '4229', '1777', '5985', '8179', 'L', 'Y', '7243', '4855', '3583', 'R', '2797', '8221', '2251', '3587', '8237', 't', '3155', 'Q', 'V', 'C', 'j', 'R', 1449, 8261, 9397, 7871, 10029, 'W']