![536 Puzzles and Curious Problems (Dover Puzzle Books: Math Puzzles): Dudeney, Henry E., Gardner, Martin: 0800759796861: Amazon.com: Books 536 Puzzles and Curious Problems (Dover Puzzle Books: Math Puzzles): Dudeney, Henry E., Gardner, Martin: 0800759796861: Amazon.com: Books](https://m.media-amazon.com/images/I/71OgHPD35OL._AC_UF1000,1000_QL80_.jpg)
536 Puzzles and Curious Problems (Dover Puzzle Books: Math Puzzles): Dudeney, Henry E., Gardner, Martin: 0800759796861: Amazon.com: Books
![Dudeney puzzle (K3,3 bipartite graph): the houses cannot connect to the separate utilities such that no service pipes intersect Stock Photo - Alamy Dudeney puzzle (K3,3 bipartite graph): the houses cannot connect to the separate utilities such that no service pipes intersect Stock Photo - Alamy](https://c8.alamy.com/comp/BBJ86N/dudeney-puzzle-k33-bipartite-graph-the-houses-cannot-connect-to-the-BBJ86N.jpg)
Dudeney puzzle (K3,3 bipartite graph): the houses cannot connect to the separate utilities such that no service pipes intersect Stock Photo - Alamy
![a) The answer to Dudeney's haberdasher's puzzle (b) The corresponding... | Download Scientific Diagram a) The answer to Dudeney's haberdasher's puzzle (b) The corresponding... | Download Scientific Diagram](https://www.researchgate.net/publication/266993621/figure/fig1/AS:337194163163136@1457404761658/a-The-answer-to-Dudeneys-haberdashers-puzzle-b-The-corresponding-hinged-dissection.png)