In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['M', 'I', 8579, 'j', 4795, 3261, 'V', 'M', '6521', '8957', 'w', '107', 'D', 'z', 'z', '3543', '8379', '7257', 'S', 'm', 'E', '4279', '2317', '5367', '9915', 'H', 'J', 'v', 6303, 'n', 4635, 521], [7663, 3631, 'I', 'Y', 7659, 'E', 3525, 1033, 3475, 'v', 'U', 2013, 5715, 5353, 'J', 6111, 'V', 'M', '6521', '8957', 'w', '107', 'D', 'z', 'z', '3543', '8379', '7257', 'S', 'm', 'E', '4279', '2317', '5367', '9915', 'H', 'M', 'R', 3121, 'c', 'O', 'Z', 'e', 'q', 'P', 'u']