Has a Sudoku with 16 clues finally been discovered? How good are you at Sudoku?
It is supposed to be impossible for a "Sudoku" with 16 clues to have a unique solution. Try to solve the Sudoku below before you look here:
aaamazingphoenix.wordpress.com...
The “Sudoku” below has 16 clues and two solutions. However the two solutions appear to only swap around the 8s and 9s. Since there are no 8s or 9s in the original puzzle does this mean the solution is unique?
It is believed that there is no Sudoku with 16 clues i.e. with a unique solution. It was mathematically proven in 2012 by Gary McGuire and his team that 17 is the minimum number of clues possible for a valid Sudoku puzzle to have a unique solution; puzzles with 16 or fewer clues cannot have only one solution.
What about this puzzle?
Poll: Do you set New Year’s resolutions?
🎉 2026 is almost here!
We’re curious ... how do you welcome it?
Do you set resolutions, follow special traditions, or just go with the flow?
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10.4% Yes! New Year, New Me
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20.9% Yes - but I rarely stick to them
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68.7% Nah - not for me
Poll: 🗑️ Would you be keen to switch to a fortnightly rubbish collection, or do you prefer things as they are?
Aucklanders, our weekly rubbish collections are staying after councillors voted to scrap a proposed trial of fortnightly pick-ups.
We want to hear from you: would you be keen to switch to a fortnightly rubbish collection, or do you prefer things as they are?
Keen for the details? Read up about the scrapped collection trial here.
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85.1% Same!
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14.9% Would have liked to try something different
Elvis in the Park
Elvis in the Park. 11th January from 11am till 5pm. Cranwell Park in Henderson. Free Family day out. Check out the Classic Cars and Hot Rods. Bring your chairs, sun tan lotion, water, and your smile. We are celebrating Elvis' 91st Birthday. Any questions ph Jackie 0274901126. Park at Tui Glen as easy walk over bridge to Cranwell Park
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