In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
--------
Question: ['F', 175, 'f', 8443, 3869, 'X', 8987, 's', 'x', 'r', '6805', '843', 't', 'g', 'T', '8865', 'K', '9607', 'G', '4521', 'z', 'E', 'T', 9337, 'B', 3133, 10013], [2067, 3211, 'U', 'S', 8949, 'N', 'r', '6805', '843', 't', 'g', 'T', '8865', 'K', '9607', 'G', '4521', 'z', 'Q', 1511, 'X', 1105, 3303, 'u', 8705, 'j']

Answer: r, 6805, 843, t, g, T, 8865, K, 9607, G, 4521, z

Question: ['c', 'N', 9495, 305, 1779, 7447, 8519, 2777, '2205', '2411', '4203', 'g', 'V', '8037', 'h', '5963', 'L', '715', 'A', 'p', 'k', 'h', 'A', 7013, 509, 'G'], ['V', 2467, 9505, '2205', '2411', '4203', 'g', 'V', '8037', 'h', '5963', 'L', '715', 'W', 4557, 's', 4431]

Answer: 2205, 2411, 4203, g, V, 8037, h, 5963, L, 715

Question: [7455, 'k', 'f', 'K', 8745, 't', 3811, 'D', '2615', '8107', '9791', 'Y', '8581', '2179', '4893', 'N', 'W', '7267', 'H', 'S', '8609', '5019', 'G', '1257', '1877', 'o', '2857', 'K', 'n', 'U', 'k', 'D', 'T', 3087, 'p', 1549, 'g', 'X', 7469, 4501, 'F', 'Z', 7729, 4281, 'v'], ['W', 'P', 'n', 'D', 'C', 'x', 'x', 'h', 'm', '2615', '8107', '9791', 'Y', '8581', '2179', '4893', 'N', 'W', '7267', 'H', 'S', '8609', '5019', 'G', '1257', '1877', 'o', '2857', 'K', 'n', 'U', 'k', 'T', 9523, 'N', 'Z', 'a', 'D', 'n', 8285, 'h', 4101, 1593, 1611, 7905, 'z', 'W', 4583, 8701, 6479, 'B', 'f', 'q', 'R', 'w']

Answer:
2615, 8107, 9791, Y, 8581, 2179, 4893, N, W, 7267, H, S, 8609, 5019, G, 1257, 1877, o, 2857, K, n, U, k