may I try your modified VanitySearch with keyspace search?
I would honestly not recommend using non-stable software. If I get it to work properly and understand the part going wrong, I'm happy to share. But at this moment, it needs front-running code to restart it. I would be feeling guilty and spending time helping people out, instead of fixing the real problem. I was hoping to trigger someone on the code part going wrong, rather then making people run unstable

heb tijd and uit amsterdam, pm maar door, would be
able to do some testing in spare time,