For more detailed rule legends, please refer to:
Author: 红葉 (MOMIJI), from China, this question comes from his personal blog.
Solution code: The longest number of consecutive white cells in each row.
on 12. August 2021, 16:36 by cdwg2000
Repaired rules.
on 12. August 2021, 13:29 by Realshaggy
You really should add "each area contains two black squares". Both janko.at and the Nikoli rules mention that, but you skipped that part.
The only reason people could solve this puzzle is because Norinori is a well known Nikoli standard.
on 12. August 2021, 11:02 by cdwg2000
I personally feel that "Place blocks in twos in consecutive black squares.Each area surrounded by bold lines must contain two black squares" is no different from the description in the main text. One is the rule description of the Nikoli website, and the other is the rule description of the Janko website.
on 12. August 2021, 09:34 by Dugong
I suggest you write this rule as well: "4. Each area surrounded by bold lines must contain two black squares."
I actually followed the link you put there for "detailed rules", so technically it's there, but ...
on 26. November 2020, 15:31 by panthchesh
Thanks for the puzzle! :)
on 11. October 2020, 01:09 by ropeko
Thanks! Good to see a different puzzle type after 30 sudoku :)!
on 10. October 2020, 14:51 by cdwg2000
@dm_litv
Thanks.
on 10. October 2020, 14:50 by cdwg2000
Repair rule description
on 10. October 2020, 14:32 by dm_litv
Dominoes cannot touch each other orthogonally.
(missed in the rules description).