There are 3 known solutions for the famous 9 dots 4 lines brainteaser. Are there other solutions where the lines actually connect all dots? - Quora
![9 dots 4 lines | 9 dots 1 line | This tricky puzzle & the awesome riddle has three genius solutions - YouTube 9 dots 4 lines | 9 dots 1 line | This tricky puzzle & the awesome riddle has three genius solutions - YouTube](https://i.ytimg.com/vi/4TbT4bpzlbE/maxresdefault.jpg)
9 dots 4 lines | 9 dots 1 line | This tricky puzzle & the awesome riddle has three genius solutions - YouTube
![Nalin on Twitter: "Love the 9 dot puzzle. Are there any other puzzles like this one @mathsjem ? https://t.co/4K2i16Qkef" / Twitter Nalin on Twitter: "Love the 9 dot puzzle. Are there any other puzzles like this one @mathsjem ? https://t.co/4K2i16Qkef" / Twitter](https://pbs.twimg.com/media/E09UozrWEAIBgUd.jpg)