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Wow,
it would have taken years for me to find this solution.
But quite an interesting idea.
Thanks for your post.

Hi there,

i finally made it!!!
From your description i have the same answer as snibril.
I think it a bit strange that my older solutions (for 25-instructions) are a lot more difficult to understand than my solution for 21...
How does your solution with ::> work?

It would interest me, too, what algorithms and optimations others implemented. Adum, what do you think about "solver topics" for the puzzles. I thought about topics like "solved above 100", "solved above 200" etc. I don't want to see full code there, but the solvers cou...

if you have the right idea... Sometimes its like that, i woke up in the night and had a fantastic idea for an algorithm to that challenge. After implementing it, my computer took less than a second for a level (even for the last ones...) For the other puzzles i'm still waiting for that moment :wink:

Hi there,

i finally found a solution myself.
My solution is a bit different to those above, so i post it, too:
0<11+0>0<<01^3^1^8?:g d0<3cp


Because there is still a "do nothing" opcode in it,
i hope i can get it still one shorter for the next challenge.

Hi Lukas,

wow, i'd never have done this by hand...
I would have given up very early.

I used a batch-File in windows to run winrar in a loop.
The most difficult of this work was reading the manual of winrar for possible parameters