! pipedum_26.scl ! 1029/1024, 1728/1715, 50/49, Paul Erlich, 2001 26 ! 49/48 21/20 35/32 384/343 8/7 7/6 6/5 5/4 245/192 64/49 4/3 48/35 7/5 35/24 3/2 49/32 384/245 8/5 5/3 12/7 7/4 343/192 64/35 40/21 96/49 2/1