LEGAL ANNOUNCEMENT: Du to legal issue, we are coming back to our regular license
Sometimes, when modeling, it's good to have a break....
You can use PlantUML to create Sudoku, like in the following example:
@startuml sudoku @enduml
It is also possible to generate a specific Sudoku by providing its seed:
@startuml sudoku 45azkdf4sqq @enduml