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

[EX Q]: [7395, 'b', 'k', 4085, 2295, 'W', 'e', 'd', '1583', '9993', 'x', '2291', '1847', 'R', 'a', 'n', 'r', 'G', '7947', '6081', 'H', 'K', 't', '6537', 'q', 'V', '3423', '9531', '4907', '123', '4757', 'J', 'S', 'Q', 'D', 'f', 4941, 6655, 8343, 2509, 6487, 'b', 'E', 'f', 'n', 'v', 'j', 7091, 9231, 9129, 7785, 9709, 2645, 3179, 'U', 631, 7891], [7807, 8461, 'n', 'C', 9827, 1359, 'O', 3781, 'k', 'n', 'F', 'l', 'x', 'O', 4867, 'd', '1583', '9993', 'x', '2291', '1847', 'R', 'a', 'n', 'r', 'G', '7947', '6081', 'H', 'K', 't', '6537', 'q', 'V', '3423', '9531', '4907', '123', '4757', 'J', 'S', 'Q', 'D', 'H', 'B', 'f', 'X', 2529, 2153, 'u', 'z', 747, 5899, 1307, 'l', 'Q', 'x', 3787, 'b', 1187, 'h', 9519, 3483, 'q']
[EX A]: d, 1583, 9993, x, 2291, 1847, R, a, n, r, G, 7947, 6081, H, K, t, 6537, q, V, 3423, 9531, 4907, 123, 4757, J, S, Q, D

[EX Q]: ['g', 305, '8447', 'K', 'y', 'D'], [2445, 5519, '8447', 'K', 't', 'l']
[EX A]: 8447, K

[EX Q]: ['r', 4395, 'G', 9811, 1329, 'l', 3319, 247, 'W', 't', 'z', 'D', '8637', 'O', '9513', '235', 'l', 'X', 'a', 'E', 'H', 'V', 'Z', '8615', '6217', 'a', '4203', 'x', '6365', '9165', '7781', '361', 'J', 'g', 'y', 7385, 7173, 1535, 'f', 5567, 'W', 'x', 'Q'], ['K', 6869, 6527, 'Z', 2723, 'M', 45, 'z', 'O', 'u', 2375, 6939, 'e', 8909, 'E', 'r', 6397, 'e', 3157, '8637', 'O', '9513', '235', 'l', 'X', 'a', 'E', 'H', 'V', 'Z', '8615', '6217', 'a', '4203', 'x', '6365', '9165', '7781', '361', 'J', 'g', 'A', 9979, 'q', 'w', 'Q', 8749, 'u', 4623, 1989]
[EX A]:
8637, O, 9513, 235, l, X, a, E, H, V, Z, 8615, 6217, a, 4203, x, 6365, 9165, 7781, 361, J, g