Isinyathelo 26 · Okwengcweti
Jellyfish: liyini leli qhinga? Indlela yokuxazulula i-Killer Sudoku
Uhlobo lwemigqa emine lwe-X-Wing: uma izindawo zenombolo emigqeni emine zonke ziwela emakholomini amane afanayo, ungasusa leyo nombolo kwezinye izikwele zalawo makholomu.
Liyini leli qhinga
Uhlobo lwemigqa emine lwe-X-Wing (imigqa emibili) ne-Swordfish (emithathu). Uma izindawo zenombolo emigqeni emine zonke ziwela emakholomini amane afanayo, yisuse kulo lonke elinye ingxenye yalawo makholomu.
Ungalibona kanjani
Khetha inombolo eyodwa, uqoqe imigqa emine lapho inezindawo ezimbili kuya kwezine, bese uhlola ukuthi zisebenzisa amakholomu amane kuphela yini sekukonke.
Isibonelo
Izindawo ezizungezwe ulayini wamachashazi yizibaya, isamba sisekhoneni eliphezulu kwesokunxele. Izikwele eziphuzi zikhombisa ukuthi ubheke kuphi, ezisawolintshi ziyisizathu, izinombolo ezibomvu yizinombolo ezingenzeka ongazisusa, kanti inombolo eluhlaza okotshani iyimpendulo.
Cabanga ngo-2 kuphela. Emigqeni 1, 3, 5 no-7, zonke izindawo zika-2 (M1K8, M1K9, M3K2, M3K7, M3K8, M5K7, M5K8, M5K9, M7K2, M7K8 no-M7K9) zisemakholomini 2, 7, 8 no-9. Ngalinye kulawa maqembu amane lidinga u-2 oyedwa, ngakho o-2 bamakholomu 2, 7, 8 no-9 basetshenziswa lapha. Ngakho ezinye izikwele zamakholomu 2, 7, 8 no-9 (M8K2, M8K8, M9K8, M8K9 no-M9K9) angeke zibe ngu-2.