7-11-13-15 by 7/5 bihexany
A 15-odd-limit Hexany. This creates a scale of 1 15/14 13/11 195/154 13/10 15/11 7/5 3/2 91/55 39/22 13/7 21/11 2/1, with steps of 15/14 182/165 15/14 77/75 150/143 77/75 15/14 182/165 15/14 22/21 147/143 22/21. This cancels out some of the ratios in the base hexany and puts a 3/2 above the root, with only some minor clustering where the two hexanies intersect.
! 7-11-13-15_by_7/5_Bihexany.scl ! 7 11 13 15 by 7/5 2-combination Bihexany 12 ! 119.442 289.209 408.652 454.213 536.950 582.512 701.955 871.721 991.164 1071.701 1119.462 1200