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

Ex Input:
['d', 897, 't', 1807, 'k', 'P', '5013', '1811', '9411', 'U', 'z', '2793', '3221', '5643', 'j', '1793', '9507', 'J', '6147', 'i', '4383', '723', 'z', 'c'], [2741, 'D', 5443, 'Z', 'k', 129, 3339, 'k', 'T', 'P', '5013', '1811', '9411', 'U', 'z', '2793', '3221', '5643', 'j', '1793', '9507', 'J', '6147', 'i', '4383', '723', 'd', 4353]

Ex Output:
P, 5013, 1811, 9411, U, z, 2793, 3221, 5643, j, 1793, 9507, J, 6147, i, 4383, 723


Ex Input:
[1477, 'o', 1059, 'R', 't', 97, 7251, 1765, 'V', 1139, 'h', 7923, 'J', 'E', '6945', 'C', 'j', '4891', '4001', 'j', 'f', '8117', 'T', '2147', 'I', '3759', '5781', 'g', 'Y', 9333, 'm', 'V', 'T', 3427, 3397, 507, 'Y', 'k', 907, 'b', 8791, 'A'], ['Y', 6653, 'v', 9685, 'D', 2111, 'd', 'y', 5885, 5653, 'i', 6307, 2051, 7807, '6945', 'C', 'j', '4891', '4001', 'j', 'f', '8117', 'T', '2147', 'I', '3759', '5781', 'g', 'd', 9367, 'Y', 3109, 7395, 'R', 'L', 9041]

Ex Output:
6945, C, j, 4891, 4001, j, f, 8117, T, 2147, I, 3759, 5781, g


Ex Input:
['D', 's', 'e', 'T', 'Z', 'b', 'S', 8677, 'p', 'H', 'g', 9049, 2437, 2575, 3943, 'l', 'u', 4601, 'I', 'v', 8227, 5445, 'd', '6909', '6249', 'Z', 'i', '245', '4885', '9165', 'F', 'N', '8691', 'U', '1807', 'c', '7081', 'H', '7635', '8771', '4347', '885', 'D', 'T', '677', 'I', '5575', '7129', '5221', 'y', 'h', 'V', 2025, 'c', 'Q', 1781, 651, 'C', 'q', 'g', 'w', 8775, 'Q', 'r', 7723, 8371, 5109, 'M', 6959, 'z', 6465, 5307, 'N'], [5027, 'V', 't', 7501, 6979, 5635, 'i', 1441, 'b', 'r', 'f', 'I', 'M', 'g', 'E', 'K', 'd', '6909', '6249', 'Z', 'i', '245', '4885', '9165', 'F', 'N', '8691', 'U', '1807', 'c', '7081', 'H', '7635', '8771', '4347', '885', 'D', 'T', '677', 'I', '5575', '7129', '5221', 'n', 4827, 'n', 'O', 4989, 'D', 'T', 'F', 6889]

Ex Output:

d, 6909, 6249, Z, i, 245, 4885, 9165, F, N, 8691, U, 1807, c, 7081, H, 7635, 8771, 4347, 885, D, T, 677, I, 5575, 7129, 5221