Interesting! Let's see if I can get creative enough...
All the extract. Mini-mash the Vienna, 4 oz Victory and 8 oz Crystal 20. That should put you at ~1.052. Bitter with Perle - shoot for 35 IBUs. Finish with Willamette at knockout. If you like more hops, add the Saaz at flameout and move the Willamette to 15 minutes.