Umbrella Rain Parasol Nonogram (15×15)
This is the Umbrella Rain Parasol nonogram — a 15×15 picture logic puzzle. Use the number clues beside each row and column to work out which squares are filled, and the picture appears as you go. Every square can be deduced; you never have to guess.
About this puzzle
- Size
- 15×15
- Difficulty
- Normal
- Filled squares
- 75 of 225
- Longest run
- 7
- Typical time
- 20-40 min
- Category
- Nature
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How this board opens
The overlap rule is stingy here: one sweep of it across every row and column yields 49 of the 225 cells, 22%, so most of this board has to be argued for rather than read off. The most generous opening is column 1, which gives up 15 cells on its own. 2 of the 30 lines are decided outright by their clues, with no room to slide. From there the board finishes on row-and-column logic alone — there is no point where you have to try a cell both ways and see which one breaks. The finished picture fills 75 cells, and the longest unbroken run anywhere in the clues is 7.
About this category
Weather and the seasons, mostly: rain falling, a cloud with sun behind it, wind as curled strokes of moving air, a snowdrop pushing up through the ground, summer rays, the bare tangle of roots, an umbrella, a pair of sunglasses, a thermometer with its three scales, a campsite. It is the shelf with the fewest man-made objects on it, and it behaves differently from the rest of the catalog because of that.
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