In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['g', 4461, 251, 'u', 'z', 'T', 4019, 'b', 'j', '3627', 'F', '1395', 'a', '6847', '5021', '3555', 'H', 'G', '8801', '5809', 'u', '4921', '1839', 'u', 'o', 'e', 's', 7937, 'M', 'C', 'g', 7877], ['I', 'p', 'b', 'j', '3627', 'F', '1395', 'a', '6847', '5021', '3555', 'H', 'G', '8801', '5809', 'u', '4921', '1839', 'u', 'o', 'g', 'l', 'S', 8991, 'z', 'N', 'o', 7377, 8445, 'Q', 3387, 'n', 8239, 9203, 'o', 'e']