I'd still go with the vortex.
For high mixup...... B2,2~df2 18% meterless. Or B2,2~db3 14% meterless into re-vortex. Or b2~db3 MB, j3, j2, 323, 12~db3... 2 bars 45% into re-vortex.
For low mixup....... b1u2, f3, 1, 323, 12~db3 32% meterless into re-vortex.
There is no way i'd give...