Turing Tumble Community

Puzzle 58: 22 parts

I just got Turing Tumble for Christmas, after flipping through some of the early challenges I skipped straight to the back. This was the first one I really tackled. It was fun because I wasn’t primed to solve with expected answer based on earlier solutions.

While trying to write this post using Lodes emulator I found I could actually get the right solution with 17 parts! If this isn’t legal then surely I get some extra credit for solving it on nearly half the board space.
https://www.lodev.org/jstumble/?board=11r01rer0ileerrlfrxfelfelzzee_16_16

Realistically the physical solution I originally worked on got much more consistent results using 22 parts. It was at least as consistent as passing the balls through more green parts. jstumble
image

Is speed of execution a thing? Because this solutions is probably the fastest so far! Catching the red ball near the top and passing balls in the same direction (keeping up momentum) help a lot. Even without taking shortcuts this 25 part solution is pretty fast.
https://www.lodev.org/jstumble/?board=11r01rer0ileerrlfrxfelrflereeleeleleelereelee_16_16

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Looking around this forum I discovered another type of optimization using the crossovers that I was not taking advantage of.

Here is legal 22 part solution:
TuringTumble58
https://www.lodev.org/jstumble/?board=11r01ler0xfrxifrlfexferlfexfelrfleree_16_16

If I optimize for the emulator then I can manage to get it down to 13 parts!
jstumble.

I also managed to do it 24 parts but without the interceptor. I would rather leave that as a mystery. Have fun!

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