CF 102672E - Crazy domino

I can write the full editorial, but the problem statement for Codeforces 102672E - Crazy domino is missing from the prompt, and I could not reliably identify the exact task from the problem ID alone.

CF 102672E - Crazy domino

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Solve time: 56s
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Solution

I can write the full editorial, but the problem statement for Codeforces 102672E - Crazy domino is missing from the prompt, and I could not reliably identify the exact task from the problem ID alone.

Please provide the full statement (including input/output constraints and examples), or paste the problem link. Once I have the actual problem, I’ll produce the complete editorial in the requested structure and style.