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

[Q]: ['u', 4637, 'h', 2259, 'M', 'i', 'h', 'X', 7083, 'o', 't', 9421, 't', 785, 'Y', 'Y', '5531', 'P', 'x', 'b', '4899', 'Y', '8909', '7749', 'k', '4049', '1237', 'M', '8579', 'N', '3167', '9123', '6973', '4981', 'I', '7231', '9783', '9823', 'c', 'e', '7169', '4003', 'C', 8237, 9899, 'M', 3217, 4903, 'I', 5279, 'T', 6849, 3373, 'x', 'S', 'l', 8665, 'V', 'v', 'I', 'A', 'E', 4367, 9513, 'i', 2897, 3433, 8091, 5011], [5327, 4587, 'E', 'w', 4287, 'W', 3339, 2729, 'q', 'Y', '5531', 'P', 'x', 'b', '4899', 'Y', '8909', '7749', 'k', '4049', '1237', 'M', '8579', 'N', '3167', '9123', '6973', '4981', 'I', '7231', '9783', '9823', 'c', 'e', '7169', '4003', 'p', 7351, 4915, 4485, 7747]
[A]: Y, 5531, P, x, b, 4899, Y, 8909, 7749, k, 4049, 1237, M, 8579, N, 3167, 9123, 6973, 4981, I, 7231, 9783, 9823, c, e, 7169, 4003


[Q]: ['y', 'T', 'W', 'v', 3541, 5233, 'w', 8885, 'o', 9621, 'e', 457, 'z', 'D', 5225, 'm', 'U', '8669', '4471', '3119', 'Y', '1937', '1161', 't', 'o', 'm', '6349', 'f', 'x', 's', 'L', 'E', '7395', '7035', 'p', '9607', 'a', '7951', 'A', 5057, 'S', 983, 8121, 'Y', 'I', 6217, 987, 'U', 2147, 'n'], ['R', 8175, 6613, 8767, 7071, 6707, 'V', 6635, 'n', 'Z', 8325, 6011, 8089, 2053, 'm', 'U', '8669', '4471', '3119', 'Y', '1937', '1161', 't', 'o', 'm', '6349', 'f', 'x', 's', 'L', 'E', '7395', '7035', 'p', '9607', 'a', '7951', 'E', 2901, 4455, 739, 'M', 'd', 1735, 'i']
[A]: m, U, 8669, 4471, 3119, Y, 1937, 1161, t, o, m, 6349, f, x, s, L, E, 7395, 7035, p, 9607, a, 7951


[Q]: ['h', 1549, '6425', 'O', 'z', 'b'], [3629, 'm', '6425', 'O', 'k', 5059]
[A]:
6425, O