! pipedum_22j.scl ! 50/49, 64/63, 245/243, Gene Ward Smith, 2002 22 ! 28/27 15/14 10/9 8/7 7/6 60/49 80/63 9/7 4/3 27/20 10/7 40/27 3/2 14/9 80/49 5/3 12/7 16/9 90/49 40/21 27/14 2/1