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2023-12-21 21:04 dustin  
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i like "move 1 stick" puzzles :d

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2023-12-22 17:10 heywood  
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THANK YOU  nicol  for the demo. I still have no idea how this works!

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2023-12-23 16:30 Arno  
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 heywood , just to give you an idea how this mechanism works:  
if you copy this cave to the ckit, you will see that each fly as an initial direction/orentation, displayed by an arrow.  
Fireflies want to move left, butterflies want to move right, both w.r.t. their orientation at that point in time.  
becaus the cave scanning order is line by line, from top to bottom, and from left to right, it is possible to creat a chain of flies, which moves all together within one frame.  
as you can see in the ckit, the pattern of initial directions is broken for the butterfly under the 9th slime, so that the boulder has a chance to fall through the slime, and crush the butterfly!

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2023-12-23 17:14 heywood  
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Excellent, thank you!