In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[1347, 'i', 9151, '7499', '1371', 'u', 'Z', 'z', 'u'], ['X', 'f', 'G', '7499', '1371', 'u', 'Z', 'a', 'X', 'Z', 9293]