In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[1417, 9205, 1411, 'E', 7005, 3755, 'R', 5103, 'v', 'v', 4879, 8875, 'y', 6457, 1023, 'O', 'x', 'j', 'l', '8185', '1055', '7863', '7729', '3607', '3125', 's', 'e', 'N', '4837', 'X', '1223', 'r', 'u', '4289', '6041', '389', '9695', 's', '8191', '1557', 'B', 'R', 'l', 'c', 'l', 9423, 'u', 'K', 6541, 'P', 4267, 'V', 'V', 9539, 1833, 'A', 7843, 371, 'u', 'V', 7209, 4539, 9403, 8793, 'q'], ['Q', 345, 7883, 'x', 4597, 5819, 4611, 'A', 'q', 't', 6585, 'x', 'F', 'b', 'y', 'k', 9771, 'd', 9945, 1653, 'K', 6693, 'b', 'l', '8185', '1055', '7863', '7729', '3607', '3125', 's', 'e', 'N', '4837', 'X', '1223', 'r', 'u', '4289', '6041', '389', '9695', 's', '8191', '1557', 'B', 'R', 'y', 'q']