In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[6233, 9187, 'S', 7685, 7839, 'n', 6315, 'B', 'n', 'A', 2177, 5015, 'j', 'X', 'z', 'm', 5263, 2353, 3523, 6161, 'p', 'L', 'w', '7355', '8017', 'R', 't', '525', '9111', 'P', 'N', '6741', 'f', '6079', 'H', '2359', '3147', '8011', 'N', 'r', '9143', 'V', '7679', 'i', '9125', 'L', '3795', 'E', 'y', 's', 2229, 475], ['e', 9101, 4593, 'H', 'I', 1231, 'w', '7355', '8017', 'R', 't', '525', '9111', 'P', 'N', '6741', 'f', '6079', 'H', '2359', '3147', '8011', 'N', 'r', '9143', 'V', '7679', 'i', '9125', 'L', '3795', 'E', 'y', 'W', 8091, 'a', 'Z', 'R', 'o', 6861, 1309, 'z', 6085, 'a', 2077, 7627, 'r', 'f', 1761, 9773]