In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.

[9341, 'E', 'j', 'A', 2307, 979, '9921', '7479', '7955', '4633', '8967', 'b', 'r', 6173, 'h', 'w'], ['e', 4463, 8807, 'o', '9921', '7479', '7955', '4633', '8967', 'b', 'i', 5793, 703, 6411, 913, 1527]
9921, 7479, 7955, 4633, 8967, b