In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['G', 4721, 'd', 9909, 'h', 'H', 'C', 1905, 1463, 4143, 2301, 2485, 8105, 'm', 'L', 'V', '2349', 'k', '2355', 'S', 'E', 'W', '3251', '5665', 'M', '4879', 'U', 'l', '5243', 'q', '8397', 'K', 'Z', '5591', 'v', 2515, 'W'], [1069, 8675, 9613, 3309, 6305, 'F', 6321, 'z', 5135, 'd', 2447, 'C', 'U', 'm', 8083, 'z', 'N', 'r', 9705, 'L', 'V', '2349', 'k', '2355', 'S', 'E', 'W', '3251', '5665', 'M', '4879', 'U', 'l', '5243', 'q', '8397', 'K', 'Z', '5591', 'L', 'u', 'D', 1777, 6981, 797]