In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[9341, 'v', 'B', 3983, 'j', 1343, 'U', 5459, 'Y', 5381, 'R', '1071', 'Z', 'L', '1715', '1065', '4513', 'd', 'q', '6089', 'i', 's', '6499', 'p', 'z', 'p', 'z', 'm', 'W', 2869, 2127, 2615, 7069, 8123, 7167], [6813, 7375, 'd', 1631, 'g', 8115, 'P', 3209, 8941, 'H', '1071', 'Z', 'L', '1715', '1065', '4513', 'd', 'q', '6089', 'i', 's', '6499', 'p', 'z', 'p', 'z', 'm', 'l', 'n', 'R', 4283, 'P', 7233, 7067, 2231, 8365, 'V', 3045, 1281]