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

Ex Input:
[7667, 'U', 5597, 9391, 'm', 'F', 683, 'k', 'r', 'm', 4389, 'X', 'p', 39, 'E', '8801', 't', 'B', 'V', 'v', 'e', 'p', '9493', '4805', 'n', 'V', 'C', '4657', '6173', '3989', '9599', 'U', 'r', 's', '5255', '5265', 'r', 8425, 2993, 'e', 6063, 9811, 'P', 7403], [3191, 'S', 'b', 'F', 'B', 'Z', 'i', 'A', 1703, 'q', 3449, 'Q', 'X', 'f', 'k', 4455, 'L', '8801', 't', 'B', 'V', 'v', 'e', 'p', '9493', '4805', 'n', 'V', 'C', '4657', '6173', '3989', '9599', 'U', 'r', 's', '5255', '5265', 'F', 'b', 6335, 615, 6181, 'K', 'U', 'F', 'a', 7617, 'F', 'W', 'N', 'Z', 8971, 'h', 9081, 'h', 4427, 'j']

Ex Output:
8801, t, B, V, v, e, p, 9493, 4805, n, V, C, 4657, 6173, 3989, 9599, U, r, s, 5255, 5265


Ex Input:
[8903, 3375, 'w', 1053, 3561, 'm', 'n', 525, 'X', '405', 'm', 's', '1099', '2317', 'O', '2573', 'l', '3259', '4463', '9185', '3407', 'v', '9943', 'C', 'M', 'O', '3067', '2717', 'W', 'B', '5015', 'm', '6297', '301', 'k', 6765, 'Z', 10011, 'r', 983, 'm', 1725, 4499, 'b', 'w', 4247, 3031, 2341, 'K', 5849, 8609, 'b', 'Q', 9443], [4217, 7417, 7593, 7021, 'x', 'n', 'w', 'G', 'p', 1559, 5043, 's', 'x', 1433, 'U', 6581, 'w', 5419, 'M', 'X', '405', 'm', 's', '1099', '2317', 'O', '2573', 'l', '3259', '4463', '9185', '3407', 'v', '9943', 'C', 'M', 'O', '3067', '2717', 'W', 'B', '5015', 'm', '6297', '301', 'n', 7429, 1747, 'f', 'Q', 7365, 'X', 'r', 'f', 1747, 'H', 'w', 7691, 'Y']

Ex Output:
X, 405, m, s, 1099, 2317, O, 2573, l, 3259, 4463, 9185, 3407, v, 9943, C, M, O, 3067, 2717, W, B, 5015, m, 6297, 301


Ex Input:
[4393, 'p', 'O', 3067, 6975, 3195, 'F', '4123', '4441', 'b', '1305', 'R', 'u', '1853', '461', 's', '7113', '5547', 'i', '5059', 'w', 'R', 'G', 'U', 'p', '6161', 'o', 3633, 7909, 2673, 'B', 'G', 473, 1459, 'A', 'U', 'Z', 'c', 5611, 7789], [8643, 2941, 1453, 8913, 6993, 'F', '4123', '4441', 'b', '1305', 'R', 'u', '1853', '461', 's', '7113', '5547', 'i', '5059', 'w', 'R', 'G', 'U', 'p', '6161', 'e', 7507, 7987, 9113, 'h', 8561, 4817, 't', 'q', 8679, 2461, 4839]

Ex Output:

F, 4123, 4441, b, 1305, R, u, 1853, 461, s, 7113, 5547, i, 5059, w, R, G, U, p, 6161