In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['s', 3389, 'Z', 'b', 'X', 'h', 'Q', 8103, 6737, 'E', 'J', 'G', '5475', '9913', '5775', '5631', '1401', 'O', '1285', '1811', 'E', '6799', '3647', 'X', '143', '7351', 'U', '7681', '3153', '3941', '7661', 'x', 7015, 'S', 'l', 'e', 3483, 'K', 'z', 7485, 9817, 2623, 'x'], [3631, 'k', 833, 9785, 3149, 'V', 2433, 7783, 'e', 1003, 'S', 8791, 'g', 5043, 'n', 'b', 'J', 'G', '5475', '9913', '5775', '5631', '1401', 'O', '1285', '1811', 'E', '6799', '3647', 'X', '143', '7351', 'U', '7681', '3153', '3941', '7661', 't', 'a', 4051, 'J', 'i']