In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['A', 'J', 7913, 7277, 'F', 'V', 4209, 't', 'Q', 9933, 'j', 5331, 4689, 5777, 'T', 'u', 'A', 'd', 'f', '951', 'p', 'U', '3607', 'F', '2791', '8679', 'C', '5167', '961', 'q', 'S', '4099', 'w', '9223', '7183', '7183', '7929', 'k', '1885', 'Y', 'I', '1419', '7719', 'J', 'd', 3657, 'u'], [4435, 617, 5891, 'C', 'N', 7155, 3279, 'u', 'A', 'd', 'f', '951', 'p', 'U', '3607', 'F', '2791', '8679', 'C', '5167', '961', 'q', 'S', '4099', 'w', '9223', '7183', '7183', '7929', 'k', '1885', 'Y', 'I', '1419', '7719', 'L', 'w', 9859, 'w', 5273, 4493, 's', 953]