In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['j', 4185, 'c', 9351, 2663, '5361', 'h', '9661', '3851', '9217', '6091', '7083', '6915', 'v', 1175, 7915, 'f', 2337], [4475, 6067, 7883, '5361', 'h', '9661', '3851', '9217', '6091', '7083', '6915', 'i', 'C']