In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[9527, 'o', 'q', 5121, 'j', 8297, 2183, 'f', 8347, 9539, '7003', '5219', '3315', '4471', '641', '5311', '8931', '9865', '3175', '2301', '4235', '4441', 'o', 'd', 1767], [8663, 1091, 8621, 'K', 'R', 'j', 7695, 'S', '7003', '5219', '3315', '4471', '641', '5311', '8931', '9865', '3175', '2301', '4235', '4441', 'o', 'k', 8689, 7621, 1193, 9665, 7733, 'u', 9623, 723, 6787, 'V', 'x']