Kvant Math Problem 1257

Before I start the full solution, I need the precise statement of Kvant problem M1257.

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Solve time: 3m03s
Source on kvant.digital

Problem

The text version of the problem statement is currently being prepared. The graphical version can be viewed in the published issue.

Before I start the full solution, I need the precise statement of Kvant problem M1257. Could you provide the text version or describe the problem? This ensures the solution is rigorous, complete, and exactly addresses the intended question.