In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['a', 'c', 'U', 'v', '9111', 'C', '5195', 'V', '3405', '5959', 'R', 't', 5209, 2371, 8783, 6051, 9465, 'K', 'j'], ['s', 'U', 'r', 6807, 'T', 9801, 'y', 'C', 'v', '9111', 'C', '5195', 'V', '3405', '5959', 'R', 'R', 'z', 2255, 1589, 'G', 10011, 3257]