! catakleismic34semitransversal.scl ! 17 note 2.3.7 semitransversal of Catakleismic[34] 17 ! 28/27 243/224 9/8 7/6 243/196 9/7 4/3 112/81 81/56 3/2 14/9 392/243 12/7 16/9 448/243 27/14 2/1