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

Example Input: [4163, 'p', 'Z', 'i', 'r', 9525, 'c', 'C', 'L', 'J', 'L', '3441', 'W', '2257', '7885', '873', 'e', 'a', 'N', '2853', 'K', 'R', '5531', 'h', 'p', 'u', 'b', '6003', 'q', 'H', '6641', '9991', 'w', 6457, 'P', 1517, 6975, 2465, 'Y', 425, 'n', 375, 'O', 7707, 1105, 1985, 6149, 'l', 5761, 875, 4411], [2127, 9083, 'w', 'Z', 4071, 5347, 'r', 'J', 'L', '3441', 'W', '2257', '7885', '873', 'e', 'a', 'N', '2853', 'K', 'R', '5531', 'h', 'p', 'u', 'b', '6003', 'q', 'H', '6641', '9991', 'o', 'K', 1639, 'Z', 13, 'm', 'M', 'G', 'C', 353]
Example Output: J, L, 3441, W, 2257, 7885, 873, e, a, N, 2853, K, R, 5531, h, p, u, b, 6003, q, H, 6641, 9991

Example Input: ['M', 7643, 'K', 8165, 'e', '6737', '6573', '9181', 'n', 'l', '6555', '7291', '1765', 'Q', '4605', '7507', '6775', 'x', 'n', '8703', 'y', '2301', 'E', 'L', 5655, 5237, 'G', 'H', 'g', 'K', 9089], ['t', 1921, 'e', '6737', '6573', '9181', 'n', 'l', '6555', '7291', '1765', 'Q', '4605', '7507', '6775', 'x', 'n', '8703', 'y', '2301', 'E', 'H', 2771, 7085]
Example Output: e, 6737, 6573, 9181, n, l, 6555, 7291, 1765, Q, 4605, 7507, 6775, x, n, 8703, y, 2301, E

Example Input: [6789, 'q', 'K', '5617', 'y', 4331], [7895, 7095, 'K', '5617', 'O', 6173]
Example Output:
K, 5617