Coordination
by FullDeck and Missing a Few Cards Open on SudokuPad
Heartburn
- Coordinate arrows
The brief
**Sudoku, Coordinate Arrows** - Standard sudoku rules apply: The digits 1 through 9 appear in every row, column, and box. - Coordinate Arrows: Digits on an arrow spell out the coordinates for the digit that is their sum. The base of the arrow indicates the row number and the tip of the arrow indicates the column number. For example, an arrow with 1 on the base and 4 on the tip indicates there is a 5 in r1c4. EACH ARROW INDICATES A DIFFERENT COORDINATE PAIR. Digits may repeat on an arrow if allowed by other rules.