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

Q: [9537, 9603, 'U', '4157', 'M', 'k', 'w', 9373], [3355, 4417, 'U', '4157', 'M', 'C', 'k']

A: U, 4157, M
****
Q: ['Z', 't', 8725, 'H', 6417, 7935, 'r', '831', 'c', '8509', '8765', '847', '9425', '3691', 'h', 'O', 'j', 'G'], [1931, 'E', 'Y', 9491, '831', 'c', '8509', '8765', '847', '9425', '3691', 'M', 8629, 'z', 'j', 3887]

A: 831, c, 8509, 8765, 847, 9425, 3691
****
Q: ['k', 'Q', 'o', 1709, 'P', 1179, 'U', 's', 6353, '4173', '7017', '9049', '1371', '1169', '5223', '2159', 'p', '667', '1783', 'N', 'j', '5819', 'J', 'M', '8137', '9385', 't', 'o', '6989', 'G', 'G', '6101', 'W', '2683', 'x', 'a', 3419, 'R'], ['y', 'd', 'x', 'v', 'd', 'b', 'a', 5075, 'E', 3223, 6591, 6755, '4173', '7017', '9049', '1371', '1169', '5223', '2159', 'p', '667', '1783', 'N', 'j', '5819', 'J', 'M', '8137', '9385', 't', 'o', '6989', 'G', 'G', '6101', 'W', '2683', 't', 3973, 6453]

A:
4173, 7017, 9049, 1371, 1169, 5223, 2159, p, 667, 1783, N, j, 5819, J, M, 8137, 9385, t, o, 6989, G, G, 6101, W, 2683
****