** 9 tone scale

** prime symmetrical scales
(0 3 6)

** molts (4)
(0 1 2 3 4 5 6 7 8)
(0 1 3 4 6 7)
(0 2 3 5 6 8)
(0 3 6)

** symmetrical scales (16)
(0)
(0 1 8)
(0 2 7)
(0 3 6)
(0 4 5)
(0 1 2 7 8)
(0 1 3 6 8)
(0 1 4 5 8)
(0 2 3 6 7)
(0 2 4 5 7)
(0 3 4 5 6)
(0 1 2 3 6 7 8)
(0 1 2 4 5 7 8)
(0 1 3 4 5 6 8)
(0 2 3 4 5 6 7)
(0 1 2 3 4 5 6 7 8)

** pure molts
(0 1 3 4 6 7)
(0 2 3 5 6 8)