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 1543, dated 2025-10-05.
372691458418253976965847132836129547547386291291475863159768324784532619623914785 275183694831469572469572138192735486386214759754698321627951843548326917913847265 267138954143925768589674213752846139831597426496312587374261895928453671615789342 712439685459687321386512479238751964174963852695248137843125796921876543567394218 239674185548231769716895243185423697962187534374569821657942318421358976893716452 827596431546312897319847265472968153631425978985173624263781549154239786798654312 178925436354176289692348715789514362546832197231697854923761548867453921415289673 241539678658724319937168452513872946782946531469351287125683794394217865876495123 962847315417325698538916274254639781386751429791284536143592867629478153875163942
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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