! pipedum_18a.scl ! 875/864, 686/675, 50/49, Paul Erlich, 2001 18 ! 36/35 15/14 28/25 7/6 6/5 5/4 98/75 49/36 7/5 72/49 75/49 8/5 5/3 12/7 25/14 28/15 35/18 2/1