In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[7177, 's', 659, 'i', 'i', 8951, 559, 9749, 9181, 'i', 7883, 9619, 'x', 9485, 'B', '1905', '4165', 'J', 'v', 'l', 'X', 'M', '7015', 'm', 'h', '7605', '813', 'p', 'j', '4779', 'R', 'v', 4467, 's', 'G', 3887, 85, 3129, 'u', 'w', 9843, 2647, 'G', 9633, 8781, 'c'], ['F', 'E', 'd', 2587, 649, 'x', 'a', 'N', 'x', 663, 9593, 2113, 'A', 5877, 'h', '1905', '4165', 'J', 'v', 'l', 'X', 'M', '7015', 'm', 'h', '7605', '813', 'p', 'j', '4779', 'R', 'U', 'B', 9527, 'I', 7023]