In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[3109, 7901, 4769, 1327, 'o', 'c', 'Z', 'M', 9957, 'y', 'g', 1797, 7113, 'h', 1713, 'i', 'K', 'F', '1753', 'd', '425', '5057', 't', 'L', '897', '4103', '3009', 't', '3591', '4299', 'C', '5995', '7691', 'U', 2463, 7031, 'F', 'v', 9957, 'J', 5717, 'b', 'Z', 7081, 'z', 'p', 5755, 6721, 'q', 8063], [6457, 'z', 8803, 'W', 327, 3571, 'K', 'F', '1753', 'd', '425', '5057', 't', 'L', '897', '4103', '3009', 't', '3591', '4299', 'C', '5995', '7691', 'r', 't', 'W', 'A', 9839, 't', 'U', 1007, 'k', 2401, 577]