In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['o', 'S', '3509', 'W', '6849', '691', 'D', '293', '6519', 'K', 'V', '3397', 'p', '7183', 'V', 'Z', 9139, 4381, 'z', 'F', 'p', 'y', 7601, 'V', 'b'], [8193, 'i', 6573, 'N', 4391, 'Z', 1599, '3509', 'W', '6849', '691', 'D', '293', '6519', 'K', 'V', '3397', 'p', '7183', 'V', 'x', 1503, 3733, 'd', 2835, 'B', 617, 'S', 8543]