IMO 2009 - Sudokuralley, (5) Spirale
(Published on 24. July 2009, 16:04 by pwahs)
To the main puzzle
Enter the digits from 1 to 3 into the diagram so that each digit appears exactly once in each row and column (3 cells remain empty). When you follow the spiral from the outer to the inner, you get the sequence 123123...123.
Solution code: the 6th row, - for empty cells
Last changed on on 2. November 2009, 14:51
Solved by CHalb, Statistica, pin7guin, ffricke, r45, Luigi, Realshaggy, RobertBe, Maulef, PRW, ibag, UrRa, SilBer, flaemmchen, Le Ahcim, tubaner, lutzreimer, wolke, Semax, joyal, geibthor, GiantPanda, jirk, ... metacom, EnotiAndy, Fenn, Hales, gabuz, GoogleEnPassant, chien2000gl, k2u5as, Incurrsion, elpizw, ChampionAsh5357, koiking, Gota, Gotroch, arangues, Eierkopp121, DiMono, renegade_duck, jgarber
Comments
on 11. January 2023, 04:16 by TJReds
penpa link: https://tinyurl.com/2nylx2zl
(with answer check)
on 29. January 2022, 17:51 by jiayo48
Link to play on penpa: https://tinyurl.com/238nna4n
on 2. September 2021, 13:02 by uvo_mod
Label "Füllrätsel" entfernt.
