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

[EX Q]: [6211, 8013, 7837, 3385, 'z', 7301, 'D', 'Y', 'Q', 'Y', 'W', '473', '9037', 'K', 'V', '7669', 'R', '6605', 'I', 'k', 5831], ['A', 'N', 'I', 4579, 'R', 'P', 4559, 3977, 'Y', 'W', '473', '9037', 'K', 'V', '7669', 'R', '6605', 'D', 7909, 'x']
[EX A]: Y, W, 473, 9037, K, V, 7669, R, 6605

[EX Q]: [8235, 6785, 'P', 'N', 'y', '5503', '6065', '2039', 'Q', 'o', 'F', 7791, 'R', 'm', 3633], ['s', 863, 'z', 'y', '5503', '6065', '2039', 'Q', 'o', 'o', 6907, 5837, 's', 2553]
[EX A]: y, 5503, 6065, 2039, Q, o

[EX Q]: ['T', 'r', 'g', 'l', 1287, 'F', 'L', 9515, 'W', 'j', 'F', 4179, 9893, 3181, 9591, 'I', 6407, 4891, 6717, 'b', 'S', '305', 'M', 'A', 'P', '241', '5169', '1781', '8825', 'E', '7001', '1411', 'Q', '7835', '8451', '8987', '1139', '5447', '9199', '6897', 'P', '2423', '4797', 'F', '6909', 't', 'x', '5069', 'w', 2945, 'w', 'O', 5423], ['n', 'j', 1915, 6817, 'U', 8353, 3257, 'E', 5127, 'W', 'L', 'M', 2999, 3481, 4425, 'h', 4831, 'I', 'Q', 2741, 7481, 7425, 9469, 'P', 15, 'm', 'S', '305', 'M', 'A', 'P', '241', '5169', '1781', '8825', 'E', '7001', '1411', 'Q', '7835', '8451', '8987', '1139', '5447', '9199', '6897', 'P', '2423', '4797', 'F', '6909', 't', 'x', '5069', 'L', 'M', 'q', 'y', 't']
[EX A]:
S, 305, M, A, P, 241, 5169, 1781, 8825, E, 7001, 1411, Q, 7835, 8451, 8987, 1139, 5447, 9199, 6897, P, 2423, 4797, F, 6909, t, x, 5069