In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['X', 5923, 'J', 5095, 773, '7245', 's', 'I', 'k', '801', '1999', 'p', 'N', 3095, 4437, 8211, 'm'], [235, 'S', 5149, 4445, 'r', 7523, 'Z', '7245', 's', 'I', 'k', '801', '1999', 'p', 'c', 5917, 8303, 7933, 2083]