In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['O', 9217, 'd', 'o', 5533, 'Y', 1597, '1553', 'I', 'j', '7449', '9447', '7619', 'c', 'l', '5347', '8013', 'q', 'D', 'e', '893', '5933', '8279', '4941', 'l', '4993', '501', 'g', '793', 'Q', 'H', 8331, 'R'], ['g', 'n', 'p', 'm', 'e', 2361, 'O', 1251, 1655, 'Z', 4313, 7677, 1087, 8233, 5755, '1553', 'I', 'j', '7449', '9447', '7619', 'c', 'l', '5347', '8013', 'q', 'D', 'e', '893', '5933', '8279', '4941', 'l', '4993', '501', 'g', '793', 'G', 1911, 6057, 7159, 849, 'h', 8333, 7491, 'C', 7769, 'v']