In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[6603, 'p', 2245, 'l', 8557, 8373, 'Q', 'U', 'H', 6051, 781, '9183', 'y', 'b', '337', '9803', '9923', 'V', 'm', '9295', '1621', 'z', '6521', 'f', 'n', '741', 'p', 2513, 3989, 8165], [5805, 'R', 2169, 271, 'v', 2533, 'i', 'o', 8011, 'R', 8633, 6871, '9183', 'y', 'b', '337', '9803', '9923', 'V', 'm', '9295', '1621', 'z', '6521', 'f', 'n', '741', 'j', 'F', 'C', 'v', 4355, 'M', 3699, 'S', 'V', 1413, 4103]