CF 106035D - Elephant grassland

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Solve time: 40s
Verified: no

Solution

I can write this editorial, but I need the actual full statement details for the construction requirements and the intended output format. The problem text available for Codeforces 106035D is only partially shown in the prompt, and the solution depends on the exact construction rules (especially how the route is encoded in the grid).

Please paste the full original statement (including the missing constraints and examples if any), and I will produce the complete editorial in the exact structure you requested, including the Python solution and tests.