Since the order of visiting the zones matters (it’s a path), we compute the number of permutations of 7 zones taken 4 at a time:

Since the order of visiting the zones matters (it’s a path), we compute the number of permutations of 7 zones taken 4 at a time: - Simpleprint

📅 March 16, 2026 👤 scraface

Mar 16, 2026

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