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 Clueless Special number 185, dated 2022-01-16, rated 41 and requires N2,H2,SK.