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📖 How to play

  1. The numbers above each column and beside each row show the lengths of consecutive filled runs in that line, in order.
  2. Left-click a cell to fill it (■); right-click to mark it (✕) as definitely empty. Hold either button and drag to paint several cells at once.
  3. Between two runs there must be at least one empty cell. Use the row and column clues together to deduce which cells must be filled.
  4. Fill exactly the cells the clues describe and the hidden picture appears — that's the win.
Example

The hidden picture: an upward arrow.

A row clue of "5" on a 5-wide grid means every cell in that row is filled.

Use ✕ marks to track cells you have proven empty — they help you keep your deductions straight.

When every clue is satisfied, the picture is complete — you win.

💡 Tip: work on rows and columns whose clues add up close to the grid width — they have the least slack and almost always force several cells.