In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[3727, 6939, 'I', 'U', 1601, 739, 2191, 2087, 5729, 'h', 'K', '831', '7951', '4991', '2495', 'M', 'O', '5833', 'C', '8089', 'E', 'q', 5677, 7389, 2073, 443, 'v', 'm', 1453], ['V', 'k', 'K', '831', '7951', '4991', '2495', 'M', 'O', '5833', 'C', '8089', 'E', 'i', 9111, 'n']