TASK DEFINITION: In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
PROBLEM: ['P', 8059, 'A', 385, 't', 1999, 269, 'T', 'B', 'S', '5291', 'b', 'x', 'o', '7813', 'R', 'D', '1301', '2079', 'H', '3587', '1325', '8977', '5565', 'u', 'v', 'D', 'I', '6267', 'H', '6663', 'I', 'B', 'f', '2383', 'K', 6409, 'W', 'h', 9673, 1829, 'K', 'A'], [1099, 1609, 'q', 9603, 'B', 3251, 'o', 'x', 1197, 'O', 'u', 't', 'K', 'c', 1185, 'l', 'v', 'e', 'q', 9255, 'u', 'S', '5291', 'b', 'x', 'o', '7813', 'R', 'D', '1301', '2079', 'H', '3587', '1325', '8977', '5565', 'u', 'v', 'D', 'I', '6267', 'H', '6663', 'I', 'B', 'f', '2383', 'V', 6939]

SOLUTION: S, 5291, b, x, o, 7813, R, D, 1301, 2079, H, 3587, 1325, 8977, 5565, u, v, D, I, 6267, H, 6663, I, B, f, 2383

PROBLEM: ['X', 6431, 'O', '9101', 'l', 'D', 'Q', 'M', '8881', '9955', 'E', '2703', '8301', 'b', 'o', 'L', 'B', 'D', 8955, 's', 2393], ['D', 9287, 5103, 'r', 'm', '9101', 'l', 'D', 'Q', 'M', '8881', '9955', 'E', '2703', '8301', 'b', 'g', 'n', 'B', 6201, 1791, 6839, 'V', 'Z', 'h']

SOLUTION: 9101, l, D, Q, M, 8881, 9955, E, 2703, 8301, b

PROBLEM: [3375, 'L', 2639, 'w', '4429', 'B', 'O', '1463', 'F', 8079, 'u', 9947], [7287, 'T', 'B', '4429', 'B', 'O', '1463', 'X', 'J', 7071, 9885]

SOLUTION:
4429, B, O, 1463