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

Ex Input:
[8507, 'H', 'o', 'N', 'r', 'I', 3733, 'r', 6877, 5193, 1389, 7105, '8513', 'A', '5801', 'M', '1339', '6353', 'C', '3591', 'W', '7703', 'D', 'i', '1975', '9169', '7427', '8345', 'l', 'C', 'C', 'd', '7579', '1463', '8451', 'H', 'K', 'u', '8561', 'x', 3575, 'A', 7405, 'o', 'J', 6163, 'y', 'O', 'g', 7633, 'A', 6531, 4627, 'P', 'O', 'j', 'S', 'b', 'c', 'V', 7923, 'K', 'i', 5625, 893, 'V'], ['W', 'O', 6909, 'a', 1667, 'n', 'D', 'i', 7719, 4109, 4167, 4099, 5473, 'b', 'g', 'R', '8513', 'A', '5801', 'M', '1339', '6353', 'C', '3591', 'W', '7703', 'D', 'i', '1975', '9169', '7427', '8345', 'l', 'C', 'C', 'd', '7579', '1463', '8451', 'H', 'K', 'u', '8561', 'h', 'Z', 383, 2829, 5461, 1851, 'F', 'l', 981, 6545, 'v', 7707, 'W', 675, 'V', 'C', 599, 'd', 1967, 'X', 'y', 'B', 'K']

Ex Output:
8513, A, 5801, M, 1339, 6353, C, 3591, W, 7703, D, i, 1975, 9169, 7427, 8345, l, C, C, d, 7579, 1463, 8451, H, K, u, 8561


Ex Input:
['k', 'l', 3761, 9679, 'Y', 'l', '1953', '7925', '8115', '5243', 'Y', '3939', '1231', 'Q', 'u', 5953, 5571, 'N'], [8981, 8379, 'h', 9701, 759, 'd', '1953', '7925', '8115', '5243', 'Y', '3939', '1231', 'l', 5705, 'P', 4009, 1189]

Ex Output:
1953, 7925, 8115, 5243, Y, 3939, 1231


Ex Input:
[6481, 'B', 'T', 4989, 'a', 'Q', 841, 8553, 'K', 'Q', 3743, 'V', 'B', '8479', '8655', 'b', '4451', '4095', '4799', 'H', 'X', 'K', '7059', 'm', 't', 9729, 2647], ['H', 'f', 'V', 'y', 6701, 'Q', 'i', 3277, 'P', 'B', '8479', '8655', 'b', '4451', '4095', '4799', 'H', 'X', 'K', '7059', 'm', 'V', 'y', 1397, 1511, 'X', 3231, 773, 5345, 'e', 5423]

Ex Output:

B, 8479, 8655, b, 4451, 4095, 4799, H, X, K, 7059, m