Kirchheim, Germany. 30th Sep, 2019. A participant of the Sudoku World Championship broods over his puzzle. Until Saturday, around 230 ratefüchse from around 30 countries will be competing against each other in
Sudoku 16 x 16 Band 10 (German Edition): Badger, David: 9783954972302: Amazon.com: Books
Sudoku 16 x 16 Band 5 (German Edition): Badger, David: 9783954971183: Amazon.com: Books