Your response should contain at least 5 sentences. The response must contain exactly 3 bullet points. Use the markdown bullet points such as: * This is point 1. Additionally, your answer must contain a title, wrapped in double angular brackets, such as <<Understanding Constraints>>. Your entire response should be in English, and in all lowercase letters. no capital letters are allowed. in your response, the word "constraints" should appear at least 4 times.

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