! cpak19b.scl ! Second 19-epimorphic ordered tetrad pack scale, Gene Ward Smith, TL 23-10-2005 19 ! 21/20 15/14 9/8 7/6 6/5 5/4 21/16 4/3 7/5 10/7 3/2 63/40 8/5 5/3 7/4 25/14 15/8 63/32 2/1