In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['Y', 8523, 'Y', 'w', 'Z', 'P', 1821, 303, 9523, '2327', 'p', 'r', 'p', 'p', '637', 'B', 'T', '8813', 'J', '5013', '6691', '4975', 'b', '7719', '1403', 'G', '1175', '6453', 'o', '8105', '367', '2851', '8047', 'z', '4733', 'h', '2401', '5571', 'q', 'b', 'J', 6305, 9273, 'm', 'F', 7705, 8043, 'p', 6737], [1739, 5785, 'Q', 8623, 'o', 75, 'k', 9341, 1989, 6049, 'j', 'K', 'U', 'B', 'E', '2327', 'p', 'r', 'p', 'p', '637', 'B', 'T', '8813', 'J', '5013', '6691', '4975', 'b', '7719', '1403', 'G', '1175', '6453', 'o', '8105', '367', '2851', '8047', 'z', '4733', 'h', '2401', '5571', 'v', 'W', 'C', 'p', 2883, 5199, 'J', 5021, 'F']