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kawu

Sum Grid

Cross out numbers until every row and column adds up to its target.

中文
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How to play

  1. Every row has a target on its right and every column a target below it.
  2. Cross out numbers so that the numbers left in each row and each column add up exactly to the targets.
  3. Tap a number to cross it out, tap again to keep it (marked with a ring), and again to clear.
  4. Every puzzle has exactly one answer; a hint fixes a wrong mark or decides the most constrained cell.