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

[EX Q]: ['L', 'W', 4919, 'y', '665', '9279', 'Z', 'd', '205', 'g', 'n', 305, 'r', 'B'], ['x', 'j', '665', '9279', 'Z', 'd', '205', 'a', 'V']
[EX A]: 665, 9279, Z, d, 205

[EX Q]: [8521, 7389, 'Z', 959, 4009, 4683, 'y', '4295', '5675', 'a', '5585', 'q', '5785', '9081', 'U', 's', 'i', 'D', 2717, 'P', 3531, 8889], ['Y', 4689, 'H', 'h', 3485, 1659, '4295', '5675', 'a', '5585', 'q', '5785', '9081', 'U', 's', 'm', 'k', 3777, 'l', 4497, 5837, 7061]
[EX A]: 4295, 5675, a, 5585, q, 5785, 9081, U, s

[EX Q]: [3535, 'o', 'Q', 'P', '7879', 'O', '8223', '1721', 'e', 'i', 'N', 'E', 7863, 8523], ['L', 'X', 'Q', 'P', '7879', 'O', '8223', '1721', 'e', 'H', 'b', 4607, 'K', 6987, 'X', 1781]
[EX A]:
Q, P, 7879, O, 8223, 1721, e