Instructieboek is verschenen / Instruction booklet is published!
The instruction booklet for the online qualifications is available. You can download it on the page with instruction booklets.
Vanaf maandag 23 februari vind je hier elke werkdag een verse oefenpuzzel of -sudoku.
Starting Monday 23rd of February, you’ll find a fresh practise puzzle or sudoku every workday.Enjoy and good luck!