In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['G', 4821, 'V', 807, 'J', '945', 'T', '4969', 'S', 'W', '4505', '3571', '6095', 'L', '9707', 'r', 'b', 'q', 4619, 5289, 3419, 'r', 8343, 9137, 1309, 'D', 'Q'], [7707, 5883, 2197, 7265, 'p', 'C', 1377, 'F', 'j', 4881, '945', 'T', '4969', 'S', 'W', '4505', '3571', '6095', 'L', '9707', 'r', 'b', 'S', 253, 3787, 3169, 'E', 'L']