creeps going back and forward between 2 route

[NekoKetsu]

Issue summary

Description of issue:

Queens/fillers found in a deadlock situation where they go back and forward between to route to reach an extension

Steps to reproduce:

dunno tbh

Other information:

On the screen you can see the 2 routes queens are trying to follow but after 1 step in on of those route they switch to the other route making them going back and forward until queen dies eventually boostrap mode enable and filler fail to fill extension the same way

[NekoKetsu]

i destroyed the extension and built a road on right route it seems to have done the trick