In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['c', 'n', 'O', 'N', 'D', '4283', 'z', '6489', 'b', 'P', 'L', '4529', 'q', '2333', '6463', 'w', '8563', 'L', 'h', '8715', '119', 't', 'L', '7449', '2061', '3789', '13', '2997', 'W', 4003, 'h', 3663, 'P', 'i', 1433, 9573, 'R', 'O', 'y', 9337, 'D', 5, 1693, 2477, 193], [1311, 6803, 8845, 5255, '4283', 'z', '6489', 'b', 'P', 'L', '4529', 'q', '2333', '6463', 'w', '8563', 'L', 'h', '8715', '119', 't', 'L', '7449', '2061', '3789', '13', '2997', 'o', 'P', 4299, 'Z', 7833, 8235, 'a', 'q', 2613, 'i', 4143, 2807, 'N', 8687, 'F', 'H', 5685, 997, 5961, 'b']