3-5-15-19 hexany
A 19-limit Hexany. This creates a scale of 1 19/16 5/4 3/2 19/12 19/10 2/1, with steps of 19/16 20/19 6/5 19/18 6/5 20/19. This maps unambiguously to 3 1 3 1 3 1 steps of 12edo and so can be seen as detemper of the augmented scale, only one of the chords has a wolf fifth of 38/25. Since this mixes 5 & 19 limit major and minor chords, this is a good system for training your ear to hear the subtle differences between the two types of chord.
! 3-3-15-19_Hexany.scl ! 3 5 15 19 2-combination Hexany 6 ! 19/16 5/4 3/2 19/12 19/10 2/1
Suggested keyboard mapping: C D# E G Ab B C