In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['N', 'i', 3207, 'l', 'M', 'R', 'e', '5371', '6127', '5915', 'k', 'Y', 'N', 'y', 'k', '5009', '3669', '8887', '2031', 'l', 'x', 'c', '8801', 'z', '2545', 'V', '317', '5589', 'v', 'R', 1913, 'D', 6523, 5991], ['e', 4595, 3607, 8857, 'T', 7841, 'L', 3483, 2841, 6845, 9033, 'g', 'G', 'V', 'r', 5961, 969, 547, 5435, 'O', 2683, 'D', 'a', 1393, 'R', 'e', '5371', '6127', '5915', 'k', 'Y', 'N', 'y', 'k', '5009', '3669', '8887', '2031', 'l', 'x', 'c', '8801', 'z', '2545', 'V', '317', '5589', 'v', 'U', 7147, 1, 3579, 2449, 9821, 9441, 'B', 9651, 'a', 1521, 'H', 'a', 7759, 'X', 1201, 8277, 9125, 'Z', 9971, 6089]