The Five Lanes: Aiko, Gustav, 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. Bruno is immediately to the right of the driver running on diesel. 2. The driver sponsored by the bakery is somewhere to the left of the driver of the red car. 3. The driver sponsored by the bank is immediately to the left of Aiko. 4. The driver of the silver car is not the driver of the hybrid. 5. The driver sponsored by the bank is immediately to the right of the driver of the green car. 6. Elif is somewhere to the left of the driver sponsored by the toy shop. 7. Elif is immediately to the left of the driver running on biofuel. 8. The driver running on biofuel is somewhere to the left of the driver of the electric car. 9. The driver of the hybrid is immediately to the right of the driver of the green car. 10. The driver sponsored by the bakery is directly next to the driver sponsored by the brewery. 11. Dario is not the driver sponsored by the airline. 12. The driver running on petrol is somewhere to the left of the driver sponsored by the bakery. 13. The driver of the silver car is immediately to the right of the driver sponsored by the bakery. 14. The driver of the green car is directly next to the driver of the black car.

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 “Gustav” end up at? Answer with the number.

Hints

Solution

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