Tap a square, then use the keypad. Each outside clue gives the sum of the digits on the diagonal marked by the blue starter triangle.
Hints used0
Mistakes (from checks)0
Time (this puzzle)00:00
TodayPlayable
Rule clarity: Standard Sudoku rules apply. Each outside clue gives the total for the diagonal marked by the blue starter triangle.
Visual clue: The blue triangle fills half of the starting square and points the way the diagonal runs.