In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[4491, 'J', 2665, 'm', 9039, 't', 6365, 5557, 9301, 4815, 'y', 1299, 'g', 'd', '2743', 'g', 'S', '9913', 'I', '2727', '6993', 'v', '7049', '6897', 'G', '8351', '5627', 'n', '9187', '2501', '3437', '7137', '1853', 'e', 'g', 9609, 4591, 'n', 'C', 'u', 2049], [7461, 5247, 9325, '2743', 'g', 'S', '9913', 'I', '2727', '6993', 'v', '7049', '6897', 'G', '8351', '5627', 'n', '9187', '2501', '3437', '7137', '1853', 'e', 'V', 'Y', 4575, 'h', 'f', 1213, 4991, 2739, 'n', 7797, 'c', 'W', 'Q', 4511, 775, 'D', 7075, 7899]