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Has someone on this forum already tried puzzles like thisone before?

So also every diagonal / and \ must have different digits?

Hajime wrote:So also every diagonal / and \ must have different digits?

Yes, that's the way I understand it.

Easy but it requires some special locked singles and here is the solution:

Code: Select all

3
9 1
6 4 8
1 5 7 2
2 9 3 1 4
4 8 6 7 5 9
5 2 9 3 8 6 7
7 3 1 5 2 4 8 6
8 6 4 9 1 7 2 3 5