In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['I', 'X', 6741, 1223, 9723, 'R', '2577', 'j', 'E', '2355', '3465', 'e', 'r', 'L', '951', '1181', 'Q', 'M', 6745, 'i'], ['z', 'w', 'W', '2577', 'j', 'E', '2355', '3465', 'e', 'r', 'L', '951', '1181', 'Q', 'C', 4539]