In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['a', 'z', 'p', 6177, '9097', 'v', 'e', 'K', 'B', 'O', 't', 927], [9099, 6587, 'I', 'j', '9097', 'v', 'e', 'K', 'e', 'C', 3631]