15 Puzzle

Iphazili engu-15 igeyimu yendida eslayidayo yakudala equkethe igridi engu-4x4 yamathayela anezinombolo, kunethayela elilodwa elingekho. Umgomo wegeyimu ukuhlela amathayela ngokulandelana kwezinombolo ngokuslayida azungeze igridi, usebenzisa isikhala esingenalutho "njengebhafa" ukuze uhambise amathayela.

Ukuze uqale igeyimu, amathayela ashova ngokungahleliwe ngaphakathi kwegridi, okudala iphazili ehlukile isikhathi ngasinye. Umdlali kufanele asebenzise ukucabanga okunengqondo kanye nokuqaphela indawo ukuze axazulule iphazili ngokuslayida amathayela esikhaleni esingenalutho ukuze adale ukulandelana kuka-1 kuya ku-15, nesikhala esingenalutho ekhoneni elingezansi kwesokudla.

Umdlalo udlalwa ngokuchofoza noma ngokuthepha ithayela eliseduze nendawo engenalutho, okubangela ukuthi ithayela lihambe liye endaweni engenalutho. Lokhu kudala isikhala esisha esingenalutho endaweni yangaphambilini yethayela, okuvumela umdlali ukuthi ashelele amanye amathayela ezindaweni ezintsha. Umgomo uwukusebenzisa iminyakazo embalwa ngangokunokwenzeka ukuze uhlele kabusha amathayili ngendlela efanele.