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

[7855, 367, 8647, 9917, 9089, 'U', 5329, 'V', 9419, 3843, 'M', '7745', 'N', 'B', 'm', 'V', 'q', '449', '7315', 'd', '4821', '1535', '2733', '713', '9271', 'Y', '5605', '8443', '6643', 'K', 'D', 'D', 7465, 'M', 'T', 3699, 'b', 8885, 'L', 'k'], ['p', 9677, 'R', 23, 1797, 2241, 4425, 1705, 'Z', 'C', 2803, 'S', 'N', 911, 567, 2169, 'k', '7745', 'N', 'B', 'm', 'V', 'q', '449', '7315', 'd', '4821', '1535', '2733', '713', '9271', 'Y', '5605', '8443', '6643', 'K', 'W', 'J', 3419]
7745, N, B, m, V, q, 449, 7315, d, 4821, 1535, 2733, 713, 9271, Y, 5605, 8443, 6643, K

['T', 'L', 9743, 2463, 945, 'n', 'z', '1331', '7235', '8333', 'a', '4137', 'b', '9779', 'Y', 4345, 3947], [9937, 7577, '1331', '7235', '8333', 'a', '4137', 'b', '9779', 'z', 6129, 1469, 3001]
1331, 7235, 8333, a, 4137, b, 9779

['Y', 'T', 'S', 'w', 't', 2753, 2583, 'B', 1731, 'k', 5301, 'R', 'g', 5503, 1467, 'N', 'l', 'A', 'V', 2559, 'B', 5477, 9431, '6259', '7331', '9781', '945', 'S', '9147', '4263', '1371', 'c', '2595', 'W', 'N', 'T', 'l', 'X', 'T', 'e', '8731', 'A', 'V', '6643', 'k', 'S', 'r', 857, 'P', 2433, 'F'], [1509, 3085, 'H', 2635, 5929, 'h', 8211, 'D', 6973, '6259', '7331', '9781', '945', 'S', '9147', '4263', '1371', 'c', '2595', 'W', 'N', 'T', 'l', 'X', 'T', 'e', '8731', 'A', 'V', '6643', 'k', 'S', 'R', 'c', 'R', 'e', 3481, 'Y', 7899, 'l', 4879]

6259, 7331, 9781, 945, S, 9147, 4263, 1371, c, 2595, W, N, T, l, X, T, e, 8731, A, V, 6643, k, S