The orientation of all the dominos is in both grids the same; if domino 1-2 is vertical placed in grid 1, it must be also placed vertical in grid 2. The order of the digits may be different in both grids; 1-2 in grid 1 may be 2-1 in grid 2.
Solve online in Penpa+ (thx Nick Smirnov!)
Solution code: For every row the number of horizontally placed dominos. (18 numbers in total.)
on 12. November 2022, 07:15 by Richard
Added link and tag for online solving. Thx Nick!
on 6. November 2022, 17:27 by Nick Smirnov
Penpa:
https://tinyurl.com/28squspl
on 24. September 2012, 21:12 by ildiko
Finde ich auch.
on 23. June 2012, 09:09 by Mody
Das hat Spaß gemacht :)
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