Odd Grey Cell Synapse Sudoku
Inspiration for this puzzle can be found here: DSM 2016 (Stefan Heine).
Solve online in Penpa+ (thx bbutrosghali!)
Place the digits from 1 to 9 in every row, column and 3x3-block. The ten grey cells contain all odd digits exactly twice. Grey cells that are connected by a dotted line must be different.
Solution code: Row 3, followed by row 7
on 6. September 2023, 21:26 by Hydalin
Penpa-Link does not work anymore. That made solving a bit more difficult but it worked :)
on 14. July 2022, 17:11 by Richard
Added link and tag for online solving. Thx bbutrosghali!
on 20. April 2021, 08:56 by bbutrosghali
Penpa:
https://git.io/JOVvi
on 31. January 2017, 15:38 by ohm0123
Good.
on 10. May 2016, 06:09 by Richard
Counting is not that easy...
Solution code description corrected.
Thx!
on 10. May 2016, 02:41 by Senior
Danke für den hilfreichen Hinweis!
on 10. May 2016, 02:30 by WAW
Ich schließe mich saskia-daniela an. Lösungscode Z3 und Z7.
on 10. May 2016, 01:10 by saskia-daniela
Bei mir war der Lösungscode, der angenommen wurde, Zeile 3 und 7...
Schöne Version!