Puzzle rules
Kakuro
Fill each white cell with a digit from 1–9. Every horizontal or vertical run must add to its clue, and no digit may repeat within a single run.
How to solve
Complete rules
Goal: Fill all white cells so every sum clue is satisfied. Rules: - Use digits 1–9 in the white cells. - Each clue gives the sum of the consecutive white cells extending from it horizontally or vertically. - A digit cannot repeat within the same sum run. - Different crossing runs share the digit in their common cell.