Given the task definition and input, reply with output. In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.

[7749, 21, 'r', 'M', 'N', 1117, 8571, 'r', 'B', 'J', 'u', 8801, 'e', 6099, 7585, 3961, 3129, 'W', '4869', '7297', 'A', 't', 'P', '3839', 'S', 't', '3095', 'I', '1159', 'O', 'D', 'k', '7521', 'h', 'R', '2787', 'n', 'h', '5271', '5997', 'J', 'l', 'J', 'h', 'u', 'n', 547, 'c', 5467, 'i', 'j', 4705, 7977, 'Z', 'U', 'l', 'Q', 6079, 6151, 3491, 6333], [6135, 'j', 'x', 7461, 'J', 't', 'a', 'j', 'i', 'c', 'Y', 425, 'W', '4869', '7297', 'A', 't', 'P', '3839', 'S', 't', '3095', 'I', '1159', 'O', 'D', 'k', '7521', 'h', 'R', '2787', 'n', 'h', '5271', '5997', 'I', 'p', 'x', 7323, 'o', 7275, 'b', 'Z', 7367, 'D', 8805]

W, 4869, 7297, A, t, P, 3839, S, t, 3095, I, 1159, O, D, k, 7521, h, R, 2787, n, h, 5271, 5997