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

[EX Q]: [7491, 'w', 'F', 2929, '6969', '2729', '4371', '6153', 'a', 'r', 'y', 'h', 'y', 'g', 'C', '1381', '5801', '8697', '4093', 'X', 'n', 821, 1983, 'S', 6305, 'O', 6533, 'q', 901, 'U', 2911], [3143, 1605, 4373, 'T', 7055, '6969', '2729', '4371', '6153', 'a', 'r', 'y', 'h', 'y', 'g', 'C', '1381', '5801', '8697', '4093', 'r', 'Z', 943, 861, 8883, 'b', 'n', 3409, 8943, 'M']
[EX A]: 6969, 2729, 4371, 6153, a, r, y, h, y, g, C, 1381, 5801, 8697, 4093

[EX Q]: ['e', 439, '9737', '9901', 'J', '4323', 'J', '3137', 'G', 'j', 4931, 7411, 'B', 'H', 'j', 7789], ['F', 'J', '9737', '9901', 'J', '4323', 'J', '3137', 'G', 'R', 'i', 'c', 'k', 'h', 'u']
[EX A]: 9737, 9901, J, 4323, J, 3137, G

[EX Q]: ['X', 'K', 'i', 3691, 'W', 'L', 'k', 'n', '87', 'P', 'S', '3303', 'D', 865, 4437, 5955, 'V'], ['a', 'z', 'q', 'c', 'M', 'L', 'k', 'n', '87', 'P', 'S', '3303', 'K', 7479, 539, 623, 'h', 'e', 2121]
[EX A]:
L, k, n, 87, P, S, 3303