How many ways are left?

The classic zebra puzzle: five houses, five sets of properties. Tick any combination of clues and see the exact number of arrangements that still fit — counted instantly by the engine, the part a language model can’t do reliably.

Combinations remaining

24,883,200,000

Select clues to narrow it down

The clues

Clue 1 is the puzzle’s frame and always applies. Tick any combination of the rest.

1. There are five houses.
2. The Englishman lives in the red house.
3. The Spaniard owns the dog.
4. Coffee is drunk in the green house.
5. The Ukrainian drinks tea.
6. The green house is immediately to the right of the ivory house.
7. The Old Gold smoker owns snails.
8. Kools are smoked in the yellow house.
9. Milk is drunk in the middle house.
10. The Norwegian lives in the first house.
11. The Chesterfields smoker lives next to the one who owns the fox.
12. Kools are smoked next to the house with the horse.
13. The Lucky Strike smoker drinks orange juice.
14. The Japanese smokes Parliaments.
15. The Norwegian lives next to the blue house.