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

['L', 6265, 'o', 'B', 9743, 9139, 't', '4107', '821', '9019', '5149', '7817', 'i', '787', 'G', 'b', 'g', 'g', 'j', '197', 'n', 'W', 'Z', '7081', '4487', '1439', '1117', 'K', 'O', '2241', 'J', 8701, 'U', 'q', 'r', 8487, 'G', 'N', 'z', 3439, 'I', 'a', 639], ['X', 7305, 'k', 4911, 1119, 'S', 'F', 8665, 3167, 1117, 6267, 4025, 'S', 'h', '4107', '821', '9019', '5149', '7817', 'i', '787', 'G', 'b', 'g', 'g', 'j', '197', 'n', 'W', 'Z', '7081', '4487', '1439', '1117', 'K', 'O', '2241', 'H', 7485, 5635]
4107, 821, 9019, 5149, 7817, i, 787, G, b, g, g, j, 197, n, W, Z, 7081, 4487, 1439, 1117, K, O, 2241

[7409, 'l', 'h', '6739', '5187', 'K', 'D', '7539', '5609', 'x', 'p', 'S', 'j', 'j', '3077', '6081', 'd', '61', '2871', 's', 'J', 'M', 'Q', 'R', 5567, 'p', 'L'], [2329, 5573, 'N', 't', 3213, 9107, 9337, 79, 1607, 'J', 'y', 'g', 's', 'h', 4251, 'L', 3147, '6739', '5187', 'K', 'D', '7539', '5609', 'x', 'p', 'S', 'j', 'j', '3077', '6081', 'd', '61', '2871', 's', 'x', 'Q']
6739, 5187, K, D, 7539, 5609, x, p, S, j, j, 3077, 6081, d, 61, 2871, s

['A', 'u', 4617, 'o', 7615, 'm', 3, 3093, '9159', '7659', 'b', '7471', 'l', 'I', '5527', '2433', 'p', 'x', 'n', '8309', '9497', '5831', '6527', 'N', '7235', '1787', 'U', '5329', 'L', 'm', 'z', 'G', 'z', 'p', 3487, 'e'], [4111, 'x', 8927, 3393, 'k', 'J', 3355, 'Z', 'k', 'g', 3451, 'Y', 'L', 'R', '9159', '7659', 'b', '7471', 'l', 'I', '5527', '2433', 'p', 'x', 'n', '8309', '9497', '5831', '6527', 'N', '7235', '1787', 'U', '5329', 'L', 'X', 'n', 'T', 'u', 'E', 'b', 'f', 1055, 2337, 1903, 'J', 7671, 4249, 5319, 6435]

9159, 7659, b, 7471, l, I, 5527, 2433, p, x, n, 8309, 9497, 5831, 6527, N, 7235, 1787, U, 5329, L