Here is a transposed version of the 3 out of six combination product
bag on <1 3 3 5 7 9>, with twelve notes to the octave rather than twenty.
! eikobag.scl
twelve note C(6, 3) combination product bag from <1 3 3 5 7 9>
12
!
21/20
7/6
6/5
4/3
7/5
3/2
14/9
8/5
7/4
9/5
28/15
2