4 {1, 2, 3, 5} 5 {1, 2, 3, 5, 6} 6 {1, 2, 3, 5, 6, 8} 7 {1, 2, 3, 5, 6, 8, 9} 8 {1, 2, 3, 5, 6, 8, 9, 10} 9 {1, 2, 3, 6, 7, 8, 10, 11, 13} 10 {1, 2, 4, 5, 7, 8, 9, 12, 14, 15} 11 {1, 2, 3, 5, 6, 8, 9, 10, 15, 16, 17} 12 {1, 2, 3, 5, 6, 8, 9, 10, 15, 16, 17, 19} 13 {1, 2, 3, 5, 6, 8, 9, 10, 16, 17, 18, 20, 21} 14 {1, 2, 3, 5, 6, 8, 12, 13, 14, 16, 17, 21, 22, 23} 15 {1, 2, 3, 5, 6, 8, 12, 13, 14, 16, 17, 19, 23, 24, 25} 16 {1, 2, 3, 5, 6, 8, 12, 13, 14, 16, 17, 19, 23, 24, 25, 27} 17 {1, 2, 3, 5, 6, 8, 12, 13, 14, 16, 17, 19, 23, 24, 25, 27, 28} 18 {1, 2, 3, 5, 6, 8, 12, 13, 14, 16, 17, 19, 23, 24, 25, 27, 28, 30} 19 {1, 2, 3, 5, 6, 8, 9, 10, 16, 17, 19, 20, 21, 26, 27, 29, 30, 32, 33} 20 {1, 2, 3, 5, 6, 8, 9, 10, 16, 17, 19, 20, 21, 26, 27, 29, 30, 32, 33, 34} 21 {1, 2, 3, 5, 6, 8, 9, 10, 16, 17, 18, 20, 21, 28, 29, 30, 32, 33, 35, 36, 37} 22 {1, 2, 3, 5, 6, 8, 9, 10, 16, 18, 19, 21, 22, 24, 30, 31, 33, 34, 35, 38, 39, 40} 23 {1, 2, 3, 5, 6, 8, 9, 10, 16, 18, 19, 21, 22, 24, 31, 33, 34, 36, 37, 38, 41, 42, 43} 24 {1, 2, 3, 5, 6, 8, 10, 16, 18, 19, 20, 23, 24, 25, 29, 33, 35, 36, 38, 39, 40, 43, 44, 45} 25 {1, 2, 4, 5, 6, 10, 12, 13, 16, 18, 20, 21, 23, 25, 31, 32, 33, 35, 36, 40, 41, 42, 45, 47, 48} 26 {1, 2, 3, 6, 7, 8, 10, 11, 13, 17, 21, 22, 23, 26, 27, 28, 30, 38, 40, 41, 43, 44, 45, 48, 49, 50} 27 {1, 2, 3, 5, 6, 8, 9, 10, 15, 18, 23, 24, 25, 27, 28, 30, 31, 32, 37, 40, 45, 46, 47, 49, 50, 52, 53}