In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[1333, 309, '2229', 'O', 'H', '8147', '9767', '4215', 'R', '8903', 'M', 'e', 1037, 1173, 5433], [1043, 8941, 4369, 4015, 1487, '2229', 'O', 'H', '8147', '9767', '4215', 'R', '8903', 'C', 'r', 9541, 'Z', 6777, 'b', 'u', 6957]