Killer by Godefridus
Killer Sudoku
Normal Sudoku rules apply, except the numbers in the cells contained within grey lines add up to the figures in the corner. No number can be repeated within each shape formed by the grey lines.
The Observer
en-gb
2023-06-04T07:00:00.0000000Z
2023-06-04T07:00:00.0000000Z
https://guardian.pressreader.com/article/282419878641586
Guardian/Observer