! pipedum_27e.scl ! 2401/2400, 126/125, 245/243, Paul Erlich, 2001 27 ! 36/35 21/20 27/25 10/9 8/7 7/6 6/5 60/49 63/50 9/7 4/3 49/36 7/5 10/7 72/49 3/2 14/9 100/63 49/30 5/3 12/7 7/4 9/5 50/27 40/21 35/18 2/1