In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[607, 8923, 2907, 2159, 'Z', 8361, 1387, 'S', '7205', 'V', 'l', '5181', '3229', '8155', 'x', 'V', 'E', 'w', 'o', 8129, 'o', 'a', 5991], [6117, 'x', 3463, 'G', 6765, 'q', 7083, '7205', 'V', 'l', '5181', '3229', '8155', 'x', 'V', 'E', 'I', 5049, 9665]