Introducing Sudoku 7

For fans of Killer Sudoku, Samurai Sudoku and other variants

Re: Introducing Sudoku 7

Postby dobrichev » Thu Oct 17, 2019 4:33 am

Here is an example for infinite solution grid. Due to the symmetry it is likely toroidal but I'm too lazy to check.
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Re: Introducing Sudoku 7

Postby tarek » Thu Oct 17, 2019 1:53 pm

Mathimagics wrote:did you actually try the standard puzzle with the adjacent-cells-differ rule, and then found that it was hard (or impossible) to get solution grids?
Or does having all diagonals with different digits mean that each cell has a different neighbour even without declaring it?
The solution grid could be so constrained that we may have only 1 solution grid and the isomorphs!

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Re: Introducing Sudoku 7

Postby koushanejad74 » Thu Oct 17, 2019 4:12 pm

Per Tarek's request and as promised:

All diagonals must have distinct numbers (no duplicate)

Sudoku7_Sample003_Easy_Problem.png (45.95 KiB) Viewed 262 times
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Re: Introducing Sudoku 7

Postby Mathimagics » Thu Oct 17, 2019 6:51 pm

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