! pipedum_68.scl ! 245/243, 2048/2025, 2401/2400, Gene Ward Smith, 2002 68 ! 64/63 49/48 36/35 256/245 21/20 16/15 15/14 49/45 54/49 448/405 28/25 9/8 8/7 784/675 7/6 189/160 32/27 6/5 128/105 49/40 56/45 5/4 432/343 32/25 9/7 64/49 21/16 4/3 27/20 256/189 48/35 135/98 7/5 64/45 10/7 81/56 196/135 72/49 112/75 3/2 32/21 49/32 14/9 384/245 63/40 8/5 45/28 49/30 224/135 5/3 42/25 27/16 12/7 392/225 7/4 16/9 343/192 9/5 64/35 90/49 28/15 256/135 40/21 48/25 27/14 96/49 448/225 2/1