In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[6297, 'R', 6937, 3555, 3993, 'R', 2761, 'E', 2341, 3395, 'U', 25, 7549, 'A', 5673, 'a', 4655, 2493, 'j', '9147', 'I', '5625', 'r', '3053', 'N', 'w', '2123', '8893', 'M', 'M', 'A', 'v', 'Z', '9605', 'b', '769', 'I', 'H', 'k', '2609', 'p', 'I', 's', '103', 'J', 'N', 'L', 'Q', 9381], ['o', 'e', 'N', 'a', 'e', 103, 'w', 'y', 8545, 'j', 'P', 'X', 8739, 'G', 4535, 'V', 'A', 'N', 4977, 's', 5205, 2699, 9699, 'j', '9147', 'I', '5625', 'r', '3053', 'N', 'w', '2123', '8893', 'M', 'M', 'A', 'v', 'Z', '9605', 'b', '769', 'I', 'H', 'k', '2609', 'p', 'I', 's', '103', 'J', 'N', 'L', 'U', 2795, 'l', 6831, 681, 9177, 2215, 3535, 'R', 'N', 1393, 9985, 'c', 6679, 187, 'v', 'B', 'U', 'T', 4985, 'u', 'M', 'O', 533, 6333, 'n', 'z', 4589, 'J']