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

[4385, 'a', 2073, 5621, 'A', 'n', 1919, 1673, 'x', 'v', 'v', 'V', 'h', 'J', '671', '3329', 'b', 'B', 'q', 'f', 'l', '6501', '3425', 'b', '3083', '4541', 'Q', 'p', 'z', 't', 'N', 7057, 'd', 'Y', 'f', 3249, 699, 'x', 1555, 'l', 4749], ['b', 'r', 's', 'v', 'v', 'V', 'h', 'J', '671', '3329', 'b', 'B', 'q', 'f', 'l', '6501', '3425', 'b', '3083', '4541', 'Q', 'p', 'I', 'b', 6909, 'U', 5563, 987]
v, v, V, h, J, 671, 3329, b, B, q, f, l, 6501, 3425, b, 3083, 4541, Q, p

[621, 7677, 'b', '889', '6721', 'H', 'd', 'S'], [8151, 'F', 'b', '889', '6721', 'h', 4123]
b, 889, 6721

['R', 'x', 'X', 8847, 6433, 'e', 'X', 7161, 'y', 9861, 'e', 6013, 4375, 'a', 'E', 'd', 'v', '4987', '1251', 'S', '3969', 'w', '6015', '8335', 'd', 'J', '4067', 'X', '9079', 'x', 'D', 'l', 'H', 'F', 'J', 7575, 1475, 'm', 'q', 'c', 'M', 'n', 'e', 'u', 3895, 9103, 'o', 8497, 'Y'], ['c', 'd', 'l', 9125, 2843, 6879, 'a', 'E', 'd', 'v', '4987', '1251', 'S', '3969', 'w', '6015', '8335', 'd', 'J', '4067', 'X', '9079', 'x', 'D', 'l', 'I', 'f', 'O', 'f', 'P', 3823, 8599, 2537, 'U', 5213, 'f', 'T', 3309, 'A', 's']

a, E, d, v, 4987, 1251, S, 3969, w, 6015, 8335, d, J, 4067, X, 9079, x, D, l