In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[9021, 5363, 8883, 7493, 'd', 'K', 'J', 3443, 't', 'r', 'g', '703', 'n', 'r', 'H', 'd', '251', '6969', '267', '5969', '9053', '6587', '8697', 'k', '1547', '8145', '5159', '9029', 'B', '2609', 'C', 'Y', 'n', 2059, 3813, 3931, 9193, 'm', 3829, 5403, 'y', 8299, 6131], ['V', 1367, 1983, 'x', 'e', 't', 'r', 'g', '703', 'n', 'r', 'H', 'd', '251', '6969', '267', '5969', '9053', '6587', '8697', 'k', '1547', '8145', '5159', '9029', 'B', '2609', 'C', 'H', 'Q', 1551, 4819, 'b', 'K', 5049, 'S', 7059, 'w', 2637, 2113, 'D', 'D']