On this page you will find a unique type of puzzle. The sudoku you need to solve is made up of all center
boxes of these sudokus, in the formation you see in this picture. As a reminder, they are highlighted with a light
blue color. As you can see, this Sudoku is completely clueless.
To get aquainted with this format, check the Clueless Guide, which
has a few solving tips and an easy starter puzzle. If you have trouble handling this puzzle format, you can download
the Clueless Helper, a program that can open these puzzles directly from this website.
To check your results, go to the list of submissions.
This is the solution for Clueless Special number 1549, dated 2025-10-11.
516823794832794156497615283925371648361482975748956321689537412173248569254169837 396571842584296137712483596265849371179365284438127965627958413851734629943612758 541823967392716845867945231413652798628197354975384612136478529759231486284569173 842156379756392481391487652614738925927615834538249716273564198169823547485971263 374815926568942371291736584486251793735498162129673845917324658643589217852167439 615278439947531268823469715381946572564723981792815643436152897279384156158697324 197345268385672491642918753953124876278563914461897532714256389536489127829731645 587623194941857236263149857324786519875914362619532748752461983498375621136298475 137682459829354671546197382218539764364278195975461238752846913493715826681923547
From last week's Clueless Special archive
1549 | Saturday, October 11, 2025 | 41 (N2,H2,F2,SK) | 1548 | Friday, October 10, 2025 | 41 (N2,N3,SK) | 1547 | Thursday, October 9, 2025 | 41 (N2,F2,SK) | 1546 | Wednesday, October 8, 2025 | 41 (N2,H2,SK) | 1545 | Tuesday, October 7, 2025 | 41 (N2,H2,F2,SK) | 1544 | Monday, October 6, 2025 | 41 (N2,SK) | 1543 | Sunday, October 5, 2025 | 41 (N2,H2,SK) |
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