Mystarrows - Slingshots and Sums
(Published on 31. August 2020, 20:00 by stephane.bura)
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This is a harder Slingshot puzzle. If you're not familiar with this ruleset, consider trying another one is this series first. Normal Sudoku rules apply. Each arrow is a slingshot arrow or a sum arrow. The digit in one of the cells to the left or to the right of a slingshot arrow (you have to determine which one) appears in the grid in the direction of the arrow at a distance of N cells, where N is the digit in the arrow's cell. The digit in the cell of a sum arrow is the sum of the two digits in the direction of the arrow. If a cell contains several arrows, they must all be of the same type, except if the cell is gray, in which case the two types are present. It is possible for an arrow to be both a slingshot and a sum arrow, but this doesn't occur in cells with multiple arrows. All the possible arrows are given. Many thanks to Yohann for testing and improving this puzzle. |
Reminder of how the regular slingshot arrows work |
Solution code: Row 1, row 2
Comments
on 3. September 2020, 08:50 by Mody
Was für ein wunderbares Finalrätsel.
Danke für diese
großartige Serie.
What a wonderful final puzzle.
Thanks for this
great series.
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Stéphane: Thanks Mody :)
on 2. September 2020, 09:53 by Mody
thanks
on 2. September 2020, 08:09 by Mody
Kurze Nachfrage
Wenn der Pfeil in R2C2 ein Summenpfeil ist, dann ist er die Summe von R3C2 und R4C2?
If the arrow in R2C2 is a sum arrow, is it the sum of R3C2 and R4C2?
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Stéphane: yes, exactly :)
on 1. September 2020, 17:57 by henrypijames
I add my thanks for this excellent series. Every puzzle has been intriguing, challenging and gratifying. Looking forward to its return in the not-too-distant future.
on 1. September 2020, 14:40 by marcmees
thanks again stephane... looking forward to your new ideas.
on 1. September 2020, 14:08 by henrypijames
Again, from a seemingly impossible starting position, I somehow managed to solve the puzzle. Don't think I've used the negative constraint though.
Now the question is: Why does this wonderful series have to end?!
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Stéphane: Thanks :)
The negative constraint just makes it slightly easier to find early digits in B5-8... or you can do it the hard way as you apparently did ;)
The series doesn't really have to end but I want to explore some other ideas for a while and come back to it with a fresh perspective. I can only hope that it will inspire other setters to produce slingshot puzzles that will baffle me!
on 31. August 2020, 22:09 by Jesper
Very nice - a worthy finale to the Slingshot series!
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Thanks Jesper and congrats on your performance in this series :)
