In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[6715, 5397, 'i', 'u', 6607, 'g', 'G', 'p', 'q', 'Q', '7219', 'r', 'O', 'v', '2061', 'p', '9313', 'J', 'E', 'n', 'S', 'A', 9471, 4445, 'V', 'H', 'v', 'h'], [6053, 'P', 'J', 2185, 6233, 'G', 'm', 'G', 'p', 'q', 'Q', '7219', 'r', 'O', 'v', '2061', 'p', '9313', 'J', 'E', 'n', 'l', 'S', 'g', 11, 't', 'c', 'G', 7729, 'w']