In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['L', 'T', 'j', 7533, 6103, '1473', '311', '8563', 'a', 'b', '3533', '6687', 's', 'c', '2723', 'a', 'g', '9285', 'L', 'X', 3219, 'H', 3643, 'j', 6403, 'K', 4189], [1659, 7789, 'Y', 3807, 'X', 4097, 'C', '1473', '311', '8563', 'a', 'b', '3533', '6687', 's', 'c', '2723', 'a', 'g', '9285', 'L', 'm', 3387, 5225, 6313, 'J', 's', 'r', 1101, 9537]