In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[889, 'r', 'N', 4207, 7841, 9217, 'J', 'J', 245, 'u', 'n', 'P', 'I', 875, 't', 'N', 7403, 9019, 8387, 4879, 9709, 9295, 5821, 'S', '2065', 's', '5259', 'P', 'e', 'k', '4653', 'X', 'Q', '2569', 'T', 'h', '6425', 'O', 'D', '1889', 'S', '8311', 'z', '163', 'K', '455', 'c', 'v', 'M', '5941', '6427', '8231', 'j', 'j', 6791, 5071, 3939, 'B', 2875, 5071, 'f', 9335, 5933, 4117], ['H', 'Y', 143, 'e', 'n', 'V', 9215, 3807, '2065', 's', '5259', 'P', 'e', 'k', '4653', 'X', 'Q', '2569', 'T', 'h', '6425', 'O', 'D', '1889', 'S', '8311', 'z', '163', 'K', '455', 'c', 'v', 'M', '5941', '6427', '8231', 'j', 'i', 'w', 'd', 9351, 'h']