Encountered a pretty tough 2-off on my way to the solution. Nice level though - my first attempt at what seemed “obvious” ended up over 40 off, after which I took a closer look and was able to see the right idea.
Incredibly tough level. Somehow I missed the 173 that everyone is discussing, but I think that probably benefited me in the end, since I only ever spent brainpower thinking about the route that ended up being optimal. This was brutally hard to even touch the end on, definitely one of the hardest level completions I've done.
Insights