In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
Q: [7191, 3783, 'Z', 'x', '3261', 'e', 'A'], [2085, 8065, 3953, 'Z', 'x', '3261', 'I', 8561, 8719]
A: 
Z, x, 3261