QED Night
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The Five Lanes: Gustav, Aiko, Elif, Dario, and Bruno

Verified— unique solution
zebra
Five lanes stand in a row, numbered 1 to 5 from left to right. Each holds exactly one of each attribute, and no attribute repeats. Work out the full arrangement from these clues: 1. The driver with the fox mascot is directly next to the driver of the hybrid. 2. Aiko is somewhere to the left of the driver with the fox mascot. 3. The driver with the shark mascot is immediately to the right of the driver of the blue car. 4. The driver running on petrol is immediately to the right of the driver of the yellow car. 5. The driver of the hybrid is somewhere to the left of the driver of the red car. 6. Gustav is somewhere to the left of Elif. 7. The driver running on diesel is not Elif. 8. The driver with the owl mascot is somewhere to the left of the driver of the blue car. 9. The driver of the hybrid is immediately to the right of Aiko. 10. The driver with the hawk mascot is directly next to Aiko. 11. The driver with the shark mascot is not the driver running on hydrogen. 12. The driver with the wolf mascot is directly next to the driver with the fox mascot. 13. The driver of the hybrid is not Gustav. 14. The driver of the silver car is directly next to the driver with the owl mascot. 15. Dario is immediately to the left of Bruno. 16. The driver of the hybrid is immediately to the right of the driver running on biofuel.

Hints

Hint 1
Hint 2
Hint 3

Solution

Commit an attempt to unseal the proof. Write your answer — right or wrong, thinking it through is the point.

In the final arrangement, which numbered lane (1–5) does “Bruno” end up at? Answer with the number.

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