Fill the grid so that every row, every column and every 3x3 box contains the numbers 1 to 9. For a helping hand call our solutions line on 0906 200 83 83. Service supplied by ATS. Call 0330 333 6946 for customer service (charged at standard rate). Buy the next issue of the Guardian or subscribe to our Digital Edition to see the completed puzzle.

Source: The Guardian March 13, 2017 00:02 UTC