Reductie 18-15, 22-15, 22-18, 28-15, 28-18, 28-22, 35-15, 35-18, 35-22, 35-28
18-15, 22-15, 22-18, 28-15, 28-18, 28-22, 35-15, 35-18, 35-22, 35-28