! ckring9.scl
!
Double-tie circular mirroring with common pivot of 3:5:7:9
 13
!
 10/9
 7/6
 6/5
 9/7
 4/3
 7/5
 10/7
 3/2
 14/9
 5/3
 12/7
 9/5
 2/1