In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[8353, 'L', 9385, 'T', '1349', 'z', 'n', 'r', 'D', 'j', 9809], ['l', 'Y', 'B', 'n', '1349', 'z', 'n', 'r', 'u', 't', 'h']