HOW TO PLAY KILLER SUDOKU
Fill the grid so that every column, every row and every 3x3 box contains the digits 1 to 9.
The digits within the cells joined by dotted lines add up to the printed top left-hand figure.
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Within each dotted-line “shape”, a digit CANNOT be repeated.
Top tip: start with the smallest totals.
1163, deadly, 1 hour 20 minutes
Sudoku/Killer © sudokusolver.com
NOTE: Puzzles for Classic and Killer Sudoku are published a day later online.