! pipedum_16.scl ! 50/49, 126/125, 1029/1024, Paul Erlich, 2001 16 ! 21/20 35/32 8/7 6/5 5/4 21/16 200/147 10/7 147/100 49/32 8/5 42/25 7/4 147/80 40/21 2/1