真笑Puzzles034--69Sandwiches (7)--XY Index2
(Published on 14. March 2021, 09:51 by cdwg2000)
Author: 真笑(洪卫华), from China, this question comes from his personal blog.
This is a new variant of Sandwich Sudoku. It is created using the variable order of the sandwich numbers. It is also the seventh question of the series. There may be more interesting combinations of variants later.
69Sandwiches(7)--XY Index2
1.Standard irregular Sudoku rules;
2.If the number X appears before the number Y, the sum of the numbers between them is marked as a black number, if the number X appears after the number Y, the sum of the numbers between them is marked as a red number;
3.The number X is the first number in the previous row (column), the number Y is the last number in the previous row (column), the first row (column) X=1, Y=9.
This is a sample
This is the main course，9*9
Solution code: Row 2,Coloum 4.(A total of 18 numbers).
Comments
on 9. July 2021, 12:20 by cdwg2000
@Mody
Thank you for finding this interesting variant and solving it. I think it deserves to be graded.
on 7. July 2021, 17:16 by Mody
Superschön logisch lösbar und ziemlich kniffelig.
Super logically solvable and quite tricky.
on 16. March 2021, 12:12 by cdwg2000
@Statistica
Glad you like it，Thanks.
on 16. March 2021, 08:11 by Statistica
Wonderful!
on 15. March 2021, 02:13 by Frankenfruity
Very nice! Such an interesting opening path!
on 14. March 2021, 14:40 by marcmees
nice... not so hard, but proceed with caution.
on 14. March 2021, 12:10 by Jesper
Excellent! Some really compelling logic to get started on this one.
Thank you, it seems you found it easily.
