So it repeats the same three digits (in different orders) along the vertical blocks. So like if there is three blocks that are 4 | 5 | 6, every where there is a 4, 5, or 6, the other two digits will be there on the same vertical line. Like 5 | 6 | 4 or 6 | 4 | 5.
Not a big issue just makes the game to easy.

Hello!

Your Sudoku app version 1.1 fails to build with the SDK version 0.100.0-rc f7. Please update the app in your repository and create a new pull request to the catalog repository with the updated manifest file.

IMPORTANT: Don’t forget to update the app version and commit version in the manifest file.

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Flipper Team