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2021-10-13 19:38 dustin  
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i like this one very much - it shows a new cso effect (at least within this series, but i haven't seen it anywhere else either) :d

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2021-10-13 20:17 dustin  
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ahhh, based on  darkstoorm 's score i found a shortcut which does not show the new effect. fix is coming...

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2021-10-13 20:29 DarkStoorM  
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I was suspecting there was something wrong :D

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2021-10-13 20:32 dustin  
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 darkstoorm , your solution would not work if the firefly could only move up and down (not right), is that correct?

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2021-10-13 20:32 DarkStoorM  
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 dustin : yes, that is correct

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2021-10-13 20:33 dustin  
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thank you :)

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2021-10-15 20:23 dustin  
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solution free! solution of the fix tomorrow :)  
  
the funny thing is, although this solution was unintended, it also uses a cso effect, and one which is very similar to the solution of the fix! :d  
  
here, ^ passes the firefly without dying. this is a basic cso effect, and it works as follows:  
  
....  
..F.  
.^..  
....  
consider this situation (the dots are dirts). the firefly is scanned before ^ because it is one row above him.   
so the f is scanned and nothing happens because ^ is not touching it. now ^ is scanned and moves up. now he touches the fly, but it has already been scanned so it doesn't explode in this frame.  
next frame:  
....  
.^f.  
.-..  
....  
now comes the decisive point: now ^ is scanned first because he's placed in the same row as the f, but further left!  so ^ has the chance to move again before the f "sees" him and explodes. then when the fly is scanned, ^ has already moved away!  
  
summary: if ^ passes a fly from its left side while moving upwards, the fly never "notes" that ^ touches it!   
  
and now here's the connection to the fixed cave: if a fly does not take note of ^ when he passes it this way, then probably an amoeba won't note him either... ;)