! pipedum_27f.scl ! 2401/2400, 1728/1715, 128/125, Paul Erlich, 2001 27 ! 49/48 25/24 15/14 28/25 8/7 7/6 6/5 60/49 5/4 245/192 4/3 48/35 7/5 10/7 35/24 3/2 384/245 8/5 49/30 5/3 12/7 7/4 25/14 28/15 48/25 96/49 2/1