Top Right Boi
(Published on 21. June 2025, 12:12 by sujoyku)
- Normal sudoku rules apply, i.e. each row, column, and 3x3 region has to contain the digits from 1 to 9 once each.
- Top Right Boi: The digits in the top right position of all 3x3 boxes form an index line. In other words: If the top right cell in Box A contains the digit B, the top right cell in Box B must contain the digit A. (Box numbers are read from left to right and top to bottom.)
- Dutch Whispers: Adjacent digits on an orange (solid) line must have a difference of at least 4.
- Renban: Each pink line (with little white stripes) must contain a set of consecutive non-repeating digits in any order.
- Kropki: Digits joined by a black dot have a 1:2 ratio. Digits joined by a white dot are consecutive. (Not all dots are given.)
- X: Digits joined by an X must sum to 10. (Not all X are given.)
Here you can solve the puzzle online:
Solution code: Column 1 from top to bottom (9 digits in total)
Comments
on 3. October 2025, 07:50 by Atticus837
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Thank you, Atticus837, and gogo TopRightBoi!
Kind regards, sujoyku
on 22. June 2025, 17:06 by QuiltyAsCharged
Excellent puzzle! There are some subtle interactions which I had to search carefully to discover. Clever boi
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Thank you for your comment, QuiltyAsCharged! I am glad that you liked my boi. :)
Kind regards, sujoyku
on 21. June 2025, 23:49 by MSDOS
Lovely use of indexing, beautiful logic and aesthetics!
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Thank you for your comment, MSDOS! I am glad that you liked the puzzle.
Kind regards, sujoyku
on 21. June 2025, 23:36 by TopRightBoi
THIS is the best puzzle I have ever solved.
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Thank you, TopRightBoi!
Kind regards, sujoyku
on 21. June 2025, 20:25 by SamuPiano
Some really fun but nontrivial steps in this one made it a fantastic boi! Thank you for the great puzzle, sujoyku!
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You are much welcome, SamuPiano, thank you for your comment! I am glad that you had a fun solve with the boi. :)
Kind regards, sujoyku
on 21. June 2025, 20:07 by gren
Superb! The break-in was spectacular and the visual symmetry of the grid is more than icing on the cake!
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Thank you for your kind words, gren! It is great to hear you liked the puzzle.
Kind regards, sujoyku
on 21. June 2025, 19:36 by Franjo
Den boi-Witz habe ich zwar nicht verstanden (irgendeine „oben rechts“-Regel musste wohl vorkommen), doch das Rätsel ist wieder einmal erstklassig. Vielen Dank dafür.
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Sehr gern geschehen, Franjo, vielen Dank für deinen Kommentar! Es freut mich, dass Dir das Rätsel gefallen hat.
Herzliche Grüße, sujoyku
on 21. June 2025, 13:39 by dumediat
That was fantastic, thank you!
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You are much welcome, dumediat, thank you for your comment! I am glad that you enjoyed the puzzle.
Kind regards, sujoyku
on 21. June 2025, 12:36 by ViKingPrime
I really enjoyed this. The little aesthetic touches go a long way, too, this is a beautiful grid.
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Thank you for your comment, ViKingPrime! I am glad that you enjoyed the puzzle. Initially, I made the changes mainly for the purpose of being more colour-blindness-friednly. But I also liked the new look of this boi.
Kind regards, sujoyku
