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...

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...

Click here to

Fill the grid using the numbers 1 to 9. Each number must appear just once in every row, column and 3x3 box.

Fill the grid using the numbers 1 to 9. Each number must appear just once in every row, column and 3x3 box.

Normal sudoku rules apply, except the numbers in the cells contained within dotted lines add up to the figures in the corner. No number can be...

From Anne-Marie Duff on the return of Bad Sisters to the artists fighting for Ukraine: the best original photographs from the Observer commissioned in...