! ew_hel_12.scl ! EW, hel.pdf, P.12 22 ! 135/128 13/12 10/9 9/8 7/6 11/9 5/4 81/64 4/3 11/8 45/32 17/12 3/2 405/256 13/8 5/3 27/16 7/4 11/6 15/8 23/12 2/1