In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[6633, 'S', 213, 'E', 'D', 'U', 6859, 'y', 3191, 525, 1283, 'm', '5435', 'I', '451', '6023', '6279', 'R', 'j', '8515', 'w', 'p', 'O', '2083', 'U', 'z', '8403', 'O', 'b', 'N', '1327', '2695', '1431', 'T', 'v', '2131', 's', 'x', '867', '4095', 'r', 'P', 1527, 'L', 's', 'w', 2367, 'R', 2633, 'F', 'i', 5417, 'L', 8225], ['h', 7883, 'Q', 9495, 'x', 5709, 7135, 'u', '5435', 'I', '451', '6023', '6279', 'R', 'j', '8515', 'w', 'p', 'O', '2083', 'U', 'z', '8403', 'O', 'b', 'N', '1327', '2695', '1431', 'T', 'v', '2131', 's', 'x', '867', '4095', 'v', 'h', 'J', 'm', 'R', 'r', 7039, 'g', 't', 'T', 'G', 'N', 'p', 'K', 'G', 8117, 3413, 'B', 'z', 'n', 421, 7793, 'D', 113, 'c', 'C', 'x', 'x']