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

[6137, 1795, 'J', 9247, 'r', 'w', 'E', 's', '687', 'N', '8213', '1751', '2567', '5673', 'y', '6821', '6863', '8847', 'z', 's', 'N', 'z', 'J', 7209, 'S'], [3317, 657, 3971, 8789, 4953, 9693, 'O', 7845, 'r', 'w', 'E', 's', '687', 'N', '8213', '1751', '2567', '5673', 'y', '6821', '6863', '8847', 'z', 's', 'N', 'z', 'M', 'A', 'B', 'l']
r, w, E, s, 687, N, 8213, 1751, 2567, 5673, y, 6821, 6863, 8847, z, s, N, z

['R', 'Q', 'Q', 'e', 'C', 'U', 'T', '7509', '8471', 'S', 407, 793], ['G', 'D', 'C', 'U', 'T', '7509', '8471', 'l', 'r', 7861, 6959, 1617]
C, U, T, 7509, 8471

[503, 'q', 'Q', 9949, 3507, 6989, 'I', 4879, 'w', 539, 7955, 'v', 'p', 2639, '9079', 'k', 'X', '7103', 'N', '7995', 'a', 'z', '3003', 'e', '6559', '3981', '249', '9099', '4195', 'j', 5623, 'u', 2565, 5315, 6767, 'd', 4657, 55], [9445, 'B', 'j', 783, 'T', 4787, '9079', 'k', 'X', '7103', 'N', '7995', 'a', 'z', '3003', 'e', '6559', '3981', '249', '9099', '4195', 'x', 'z', 7219]

9079, k, X, 7103, N, 7995, a, z, 3003, e, 6559, 3981, 249, 9099, 4195