[1, 7, 8, 9] [1, 2, 8, 9] [1, 2, 3, 9] [1, 2, 3, 4] [1, 2, 8, 9] [1, 2, 3, 9] [1, 2, 3, 4] [1, 2, 3, 4] [1, 2, 3, 4] [1, 2, 3, 9] [1, 2, 3, 4] [1, 2, 3, 4] [1, 7, 8, 9] [1, 2, 8, 9] [1, 2, 3, 9] [1, 2, 3, 4] [1, 2, 8, 9] [1, 2, 3, 9] [1, 2, 3, 4] [1, 2, 3, 4] [1, 2, 3, 4] [1, 2, 3, 9] [1, 2, 3, 4] [1, 2, 3, 4]