In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[4501, 9697, 69, 'm', '7553', '7557', '7665', 'H', '411', '7705', 'g', 7959, 6913, 'b', 'R', 'a', 9347], ['t', 10031, 2145, 'i', 4345, 'n', 'm', '7553', '7557', '7665', 'H', '411', '7705', 'V', 305]