Nummers: 1, 3, 7, 9, 11, 17, 19, 21, 25, 27, 29, 33, 35, 37, 41
Nummers: 4, 6, 8, 10, 12, 14, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 40
