In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[343, 2143, '5189', 'L', 'Y', '8081', 'l', 'v', 131], [4925, 9025, 's', '5189', 'L', 'Y', '8081', 'b', 'W', 377, 'j']