Markus Triska triska
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| /* | |
| Via https://www.metalevel.at/prolog/puzzles | |
| The "Zebra Puzzle" https://en.wikipedia.org/wiki/Zebra_Puzzle | |
| - There are five houses. | |
| - The Englishman lives in the red house. | |
| - The Spaniard owns the dog. | |
| - Coffee is drunk in the green house. |