In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['T', 'F', 'E', 'F', 6767, 'o', 'I', 7617, 1481, 't', 'y', 2139, 4619, 'f', 'y', 'g', 'V', '2885', '3491', '5377', 'I', '5265', '27', '3193', '9753', '9773', 'R', 'x', '8107', 'J', 'o', '6341', '4465', 'm', '5539', 'c', 'e', 'L', 'f', '631', '3383', '8563', 'E', 'I', 4759, 6465, 2087, 5153, 2517, 8571, 6227, 'W', 'Y', 301, 't', 6601, 1395, 'e', 3683, 9455, 'w', 4255, 1649, 1237, 1763, 7353, 3469, 1459, 165, 'G'], [1819, 'y', 2885, 8379, 'D', 'p', 'B', 'P', 'q', 'Q', 'j', 'R', 'V', 2453, 7669, 7589, 'v', 3793, 'P', 'V', 'f', 'K', 'N', 'O', 4097, 8831, 'h', 'R', 'q', 'f', 'y', 'g', 'V', '2885', '3491', '5377', 'I', '5265', '27', '3193', '9753', '9773', 'R', 'x', '8107', 'J', 'o', '6341', '4465', 'm', '5539', 'c', 'e', 'L', 'f', '631', '3383', '8563', 'd', 8539, 'v', 1321, 9209, 4959, 'i']