In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[2343, 'R', 'T', 'l', 'R', 'L', 'J', '9551', '383', '345', '8285', 'r', 'p', 'b', 'F', 9495, 6125, 'G', 'j', 9239], ['v', 3541, 'R', 'L', 'J', '9551', '383', '345', '8285', 'r', 'S', 'Z', 7705, 'v', 'f', 'W', 'N']