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

[2787, 'N', 'I', 'M', 'x', '3825', 'r', '1041', 'y', 'a', 'v', 6057], ['F', 6523, 'x', '3825', 'r', '1041', 's', 'C', 3001, 8425]
x, 3825, r, 1041

['W', 'Y', 'y', 'A', 'm', '6915', '3285', 'd', '1035', 'H', 'J', '7549', 'P', '5301', 'q', '4057', 'H', '5697', 'H', '5141', 'H', 2451, 'x', 3307, 'A', 7121, 'b', 3319], ['M', 'L', 5827, 'I', 'r', 'f', '6915', '3285', 'd', '1035', 'H', 'J', '7549', 'P', '5301', 'q', '4057', 'H', '5697', 'H', '5141', 'N', 3371, 691]
6915, 3285, d, 1035, H, J, 7549, P, 5301, q, 4057, H, 5697, H, 5141

[7211, 7619, 'J', 'A', 6617, 6091, 'P', 'H', 'd', '125', '4275', 'n', '6459', 'l', 'I', '5063', 'H', 'j', 7299, 7231, 'e', 6125, 'V', 'X', 'u', 7883, 3353], ['T', 'z', 6993, 2359, 'A', 'P', 'H', 'd', '125', '4275', 'n', '6459', 'l', 'I', '5063', 'H', 'h', 299, 2345]

P, H, d, 125, 4275, n, 6459, l, I, 5063, H