In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[4293, 4857, 1809, 'T', '991', '2989', '5643', '9631', '7147', 'V', 1333, 6305], [9733, 'Y', '991', '2989', '5643', '9631', '7147', 'p', 't', 'G', 'D']