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

Example Input: [9537, 9603, 'U', '4157', 'M', 'k', 'w', 9373], [3355, 4417, 'U', '4157', 'M', 'C', 'k']
Example Output: U, 4157, M

Example Input: [6475, 9471, 3883, 'k', 3715, 'h', '4275', '3019', '9711', 'd', '7655', 'j', 'Y', 'H', 'f', '3135', '9479', 'K', 'E', 'J', '9713', '6953', 's', 'g', 'G', 9013, 1643, 619, 'b', 'k', 'z', 'd', 'w', 'E', 7989, 'o', 'C', 'Y'], [3391, 's', 5761, 9389, 6131, 'a', 1723, 451, 4781, 'S', 8389, 'l', 'P', 'h', '4275', '3019', '9711', 'd', '7655', 'j', 'Y', 'H', 'f', '3135', '9479', 'K', 'E', 'J', '9713', '6953', 'D', 7661, 885, 'J', 7381, 2713, 1355, 451, 'N', 'P', 'T', 5127, 8301, 1891, 9947, 'x', 7295]
Example Output: h, 4275, 3019, 9711, d, 7655, j, Y, H, f, 3135, 9479, K, E, J, 9713, 6953

Example Input: ['t', 5383, '5507', 'I', 'E', 935], ['j', 'b', '5507', 'I', 'B', 't']
Example Output:
5507, I