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

Ex Input:
['e', 'W', 'x', 6581, 'y', 4191, 'u', 'B', '6197', '6435', '4975', '5435', 'r', '7329', '4033', 'k', 'j', '5373', '5673', 'd', 'V'], ['i', 'O', 'Z', 211, 1503, 'X', 4315, 'G', 'u', 'B', '6197', '6435', '4975', '5435', 'r', '7329', '4033', 'k', 'j', '5373', '5673', 't', 'C']

Ex Output:
u, B, 6197, 6435, 4975, 5435, r, 7329, 4033, k, j, 5373, 5673


Ex Input:
['T', 'L', 9743, 2463, 945, 'n', 'z', '1331', '7235', '8333', 'a', '4137', 'b', '9779', 'Y', 4345, 3947], [9937, 7577, '1331', '7235', '8333', 'a', '4137', 'b', '9779', 'z', 6129, 1469, 3001]

Ex Output:
1331, 7235, 8333, a, 4137, b, 9779


Ex Input:
['o', 'R', 3077, 4149, 'n', 7857, 2171, 7399, 'D', 'S', 'r', '3365', 'W', '9795', '10007', '59', 'Y', '261', '5685', 'O', '7465', 'G', '1481', 'D', 'b', 'Q', 4439, 3825, 'n', 5691, 7293], ['Y', 19, 1283, 'G', 'v', 7713, 2183, 'F', 'v', 'Y', 'Q', 2149, 'D', 'S', 'r', '3365', 'W', '9795', '10007', '59', 'Y', '261', '5685', 'O', '7465', 'G', '1481', 'x', 5689]

Ex Output:

D, S, r, 3365, W, 9795, 10007, 59, Y, 261, 5685, O, 7465, G, 1481