In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.

Example Input: ['R', 't', 'y', '2887', 'x', 4883], [5691, 9457, 'y', '2887', 'u', 'Y']
Example Output: y, 2887

Example Input: [273, 'i', 4051, 9063, 'D', 'E', 5087, 'M', '9959', '6273', 'p', 'L', 'B', 'H', '7889', '9933', 'p', '519', '339', 'h', 'u', 5559, 1733, 9555], ['i', 5977, 'r', 'b', 589, '9959', '6273', 'p', 'L', 'B', 'H', '7889', '9933', 'p', '519', '339', 'n', 'y', 'q']
Example Output: 9959, 6273, p, L, B, H, 7889, 9933, p, 519, 339

Example Input: [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]
Example Output:
K, F, 1753, d, 425, 5057, t, L, 897, 4103, 3009, t, 3591, 4299, C, 5995, 7691