obstacle dircol seems to work just as well (better?) without the initial seed.  makes me suspicious that the output of the original dircol was not being passed correctly a the seed for the second dircol
obstacle dircol seems to work just as well (better?) without the initial seed.  makes me suspicious that the output of the original dircol was not being passed correctly a the seed for the second dircol

thientu/drake,scottviteri/drake,tkoolen/drake,thientu/drake,sheim/drake,manuelli/drake,manuelli/drake,manuelli/drake,sheim/drake,hanssusilo/drake,manuelli/drake,sheim/drake,edowson/drake,astrorog/drake,astrorog/drake,hanssusilo/drake,sheim/drake,edowson/drake,psiorx/drake,crogers3/drake,astrorog/drake,billhoffman/drake,astrorog/drake,tkoolen/drake,hanssusilo/drake,billhoffman/drake,scottviteri/drake,tkoolen/drake,manuelli/drake,psiorx/drake,crogers3/drake,billhoffman/drake,hanssusilo/drake,sheim/drake,scottviteri/drake,billhoffman/drake,edowson/drake,hanssusilo/drake,scottviteri/drake,sheim/drake,thientu/drake,astrorog/drake,psiorx/drake,astrorog/drake,hanssusilo/drake,crogers3/drake,hanssusilo/drake,psiorx/drake,psiorx/drake,manuelli/drake,billhoffman/drake,billhoffman/drake,thientu/drake,crogers3/drake,psiorx/drake,edowson/drake,psiorx/drake,crogers3/drake,astrorog/drake,manuelli/drake,crogers3/drake,sheim/drake,tkoolen/drake,edowson/drake,scottviteri/drake,edowson/drake,hanssusilo/drake,billhoffman/drake,thientu/drake,thientu/drake,tkoolen/drake,psiorx/drake,scottviteri/drake,sheim/drake,edowson/drake,thientu/drake,crogers3/drake,crogers3/drake,billhoffman/drake,tkoolen/drake,tkoolen/drake,edowson/drake,scottviteri/drake