Bull Nonogram (5×5)
This is the Bull nonogram — a 5×5 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
- 5×5
- Difficulty
- Normal
- Filled squares
- 14 of 25
- Longest run
- 5
- Typical time
- 1-3 min
- Category
- Animals
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How this board opens
This one opens itself. One sweep of the overlap rule — every row read against its clue lengths, then every column — is worth 15 of the 25 cells, 60% of the board, before you have deduced anything of your own. The most generous opening is row 2, which gives up 5 cells on its own. One of the 10 lines is decided outright by its clue, 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 14 cells, and one run in the clues is 5 long — near enough the full span of a line that it fixes itself the moment you reach it.
About this category
Animals spans the full range of grid sizes the catalog offers — a single 5×5 sketch, a scattering of 10×10 and 15×10 boards, and a run of larger 15×15 and 20×20 pieces for anyone who's outgrown the small stuff. That spread makes it the closest thing on the site to a proper learning path: start with the tiny one to get a feel for reading clues, work through the mid-size boards as your row/column cross-referencing improves, and finish on the 20×20s once 2×2 intersection reasoning stops feeling like a chore.
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