In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[7245, 2923, 2543, 2997, 'd', 6229, 6619, '1103', 'f', '9019', '3721', '3639', '6663', '8603', 'r', '2567', 'Q', 'L', 'V', 'x', 'S', '1281', 'L', '3155', '4585', 'y', 'u', 1943, 'a', 'C', 6049, 'f', 2437, 'z', 9243, 6595], [5635, 1047, 4457, 'v', 'm', 'P', '1103', 'f', '9019', '3721', '3639', '6663', '8603', 'r', '2567', 'Q', 'L', 'V', 'x', 'S', '1281', 'L', '3155', '4585', 'V', 9333, 3583, 3631, 8303, 3183, 'o', 'r', 727]