In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['a', 8119, 'S', 2575, 3531, '3727', 'x', 'J', 't', '9825', 'z', 'o', '4043', '3637', '7545', 'F', 'N', 'g', 'c'], [5559, 'P', 'V', 1419, 6507, 'W', 9429, 'V', 9763, '3727', 'x', 'J', 't', '9825', 'z', 'o', '4043', '3637', '7545', 'y', 1229, 'S', 5613]