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2020-08-29 17:46 dustin  
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i've experimented a bit with the differences with the open border implementation. i've got some explanations/thoughts ready, but first have fun! :D

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2020-08-29 20:45 nesdori  
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hmm, i guess my solution is not the intended because it works also without open borders and i got 6 diamonds instead of just one :) too bad that bonus \ value is zero.. :( :)

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2020-08-29 21:16 DarkStoorM  
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Ah, right, two solutions!

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2020-08-29 22:14 dustin  
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oops! i had so much fun exploring the open border implementation that i just forgot one more firefly.   
now i think i'll sleep a night over it before uploading the fix, because  darkstoorm 's seven-second solution also confuses me :D i'm not sure whether my intended solution really is possible that quickly...  
but it's  darkstoorm , you never know. i'll check that out :D

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2020-08-29 22:23 DarkStoorM  
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I'm not even sure which one is intended anymore :D  
The one with bonus diamonds or "the one"

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2020-08-30 10:05 dustin  
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good morning! :D  
having watched  krissz 's solution - which is very likely to be  darkstoorm 's as well - there are two things that came to my mind:  
1. it's not my intended solution.  
2. i like it a lot better than the intended solution! :d  
however, as this solution is public now, it'd be pointless to fix this cave in a way that  krissz 's/ darkstoorm 's solution is the only one. (also, it has one slight disadvantage - this solution does not show a special rule of  krissz 's open border implementation).   
  
instead, i'll make a fix where my original solution is (hopefully) the only one!