In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[4419, 8473, 9745, 1947, 9859, 5453, 'v', '9099', '1827', '7943', 'x', 'j', 'A', 'm', 'Z', 197, 6595, 'X', 's', 1205], ['q', 5879, 6835, 'c', 9191, '9099', '1827', '7943', 'x', 'j', 'A', 'm', 'G', 'U']