! pipedum_38.scl ! 81/80, 1224440064/1220703125, Manuel Op de Coul, 2001 38 ! 648/625 25/24 3125/2916 27/25 10/9 17496/15625 144/125 125/108 6/5 3125/2592 3888/3125 5/4 625/486 162/125 4/3 15625/11664 864/625 25/18 36/25 625/432 23328/15625 3/2 125/81 972/625 8/5 3125/1944 5184/3125 5/3 216/125 125/72 15625/8748 9/5 50/27 5832/3125 48/25 625/324 78125/39366 2/1