Brain Sudoku Classic

ISudoku kulula ukufunda iphazili yokubekwa okunenombolo enengqondo. Igama elithi Sudoku lifushane kuSu-ji wa dokushin ni kagiru okusho ukuthi "izinombolo kumele zingashadi".

Izimpande ze-Sudoku puzzle ziseSwitzerland. U-Leonhard Euler udale "i-carré latin" ngekhulu le-18h elifana ne-puzzle ye-Sudoku kodwa ngaphandle kwesithiyo esingeziwe kokuqukethwe kwezifunda ngazinye. ISudoku yokuqala yangempela yashicilelwa ngonyaka we-1979 futhi yasungulwa nguHoward Garns, umakhi wezomnotho waseMelika.

Ukuthandwa umhlaba wangempela kwaqala eJapan ngo-1986 ngemuva kokushicilelwa futhi kwanikezwa igama elithi Sudoku nguNikoli.

* Imithetho Nemigomo
Iphazili laseSudoku liqukethe amaseli angama-81 ahlukaniswe amakholamu ayisishiyagalolunye, imigqa nezifunda. Umsebenzi manje ukubeka izinombolo kusuka ku-1 kuye ku-9 kumaseli angenalutho ngendlela yokuthi kuzo zonke izintambo, ikholomu kanye nesifunda 3 × 3 inombolo ngayinye ivela kanye kuphela.

I-Sudoku inezinombolo okungenani eziyi-17 ezinikezwe kepha imvamisa zinama-22 kuye kwangama-30.

* Izibalo
I-Sudoku iyi-logic-based futhi hhayi iphazili esekwe ezibalweni. Kungenzeka wenze ngokungaphumeleli ukuxazulula iphazili laseSudoku ngezinhlamvu noma nezimpawu ezithile.

Iphuzu elincane elihehayo ukuthi kunamaphazili weSudoku angama-6,670,903,752,021,072,936,960 angenzeka. Ngakho-ke singadlala i-opom Sud Sud ngosuku futhi kusazoba khona okusha.