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How do I submit?  Go to the Sudoku I challenge

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I have the answer, but I can't figure out how to submit.
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simply submit your solution from left to right, up to down.

so if your solution square looks like this:

123
231
312

your have to submit 123231312

Happy Challenging !
The geeks shall inherit the properties and methods of object earth.
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Just one question, is it solvable by hand?
Or do i need to program a script to calculate all possibilities?

Ty,
Cob
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The solution is unqiue, so there is only 1 possibility.

It is solvable by hand, but quite hard to do so.
Some people solved it by hand within 1 or 2 hours, which is very impressive to me.

Solving it by a programm might be difficult too, since a simple bruteforce might take very long.

Good Luck & Happy Challenging!
The geeks shall inherit the properties and methods of object earth.
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