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2021-05-20 20:45 dustin  
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difficulty: 3/10

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2021-05-21 11:07 nesdori  
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for those looking for additional challenge here are my personal difficulty ratings for some \ counts:  
  
100\: difficulty 9/10  
107\: difficulty 10/10  
  
for some time i thought that around 100\ is the max so it was easy to choose the point where level goes from 9 to 10 :)

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2021-05-21 13:43 nesdori  
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 nicol , congrats for reaching level 9/10, now aim for 10/10! :D

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2021-05-21 15:43 dustin  
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very nice run, including the trick to clear the right-side dirt and then move quickly all the way to the top to save some \\\!  
  
actually i wonder if it might be interesting to make another "diamond hunting" project with the bd1-i levels after bd2-p was a success? :d

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2021-05-21 20:40 nesdori  
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my solution also free. differences to  nicol 's solution:  
  
- 1 more \ saved from the left side fall. when ^ enters the chamber, the \:s on the left side should be not touched or otherwise one extra \ will fall into the magic wall.  
  
- 2 more \ saved from the right side fall when rockford enters it from the top after initiating the fall. nothing peculiar here.  
  
- 1 extra \ from the left side mirrored P-shape. if | falls indirectly from one of the sides (and the other side boulder pillar height is max 3) rockford has enough time to fetch the bottom \ but he shouldn't miss a single frame or he is trapped by the falling |.  
  
- 1 extra \ from the middle. this was the most challenging \ for me. i strongly felt that an extra \ should be possible and i stared the whole middle formation like half an hour before finally finding a sequence which enabled ^ to both enter and escape the bottom of the shape to get an extra \. i have never analyzed the middle part of this bd1 I lvl1 cave this exhaustively so i have never fetched this \ before and also i never seen a solution before where this \ is got.  
  
it's actually possible to get 108\. when the row of 4 \:s is cleared from the top, the | sitting on the dirt piece can be pushed to the right to replace the \:s. this boulder will delay the right side fall so that one more \ can be saved from falling. the | must be pushed over 2 gap space so two consecutive lucky pushes are needed and the success rate of this trick is 1/16. i'm not going to try it :)  
  
 dustin , \ hunting projects sounds nice! it would give motivation to try max scores (it seems that remakes is another source of motivation :D ) i would also include bd2 cave m. i already know it's possible to get all \ from bd m lvl1. with the new cave set the most challenging part is surprisingly the cave time. with 5.5 fps even 200secs is not too much to do all required | pushes. it should be possible with some pushing luck and by eliminating thinking pauses by memorizing the entire path.

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2021-05-22 00:07 dustin  
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 nesdori , it's added to my list of projects! :d come to think of it, there are almost enough bd1-3 caves with hard max\ challenges for another " dustin 's bd expert remix"! :d