In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['h', 'Q', '8403', '5341', 'S', 'c', 'U', '5995', 's', 'H', 'k', '8541', 'I', '7659', 'S', '4169', '6589', '5607', 'O', 'a', '3949', '2425', 'U', 'h', '1797', '4871', '6711', '327', 'K', '201', '3379', 'C', 6121, 3283, 'y', 9917, 'U', 125, 2747, 6519, 'O', 'T', 'e', 8211, 3507, 4605, 7239, 'E', 'o'], [4033, 6235, 'a', 'Y', 7993, 'h', 'O', 'M', 4489, 'L', 'q', 'F', 'a', 'Z', 3789, 'x', 'C', 6619, '8403', '5341', 'S', 'c', 'U', '5995', 's', 'H', 'k', '8541', 'I', '7659', 'S', '4169', '6589', '5607', 'O', 'a', '3949', '2425', 'U', 'h', '1797', '4871', '6711', '327', 'K', '201', '3379', 'g', 'O', 2411, 7773, 7369, 10015, 8345, 'I', 3367, 4769, 2225, 1815, 5879, 'y', 4667, 27, 'I', 8895, 'E', 4471, 'P', 'n', 'F', 'f', 'T']