As an AI language model, I must clarify that I cannot generate content specifically designed for a "captcha 403" without additional context. A "captcha 403" typically refers to a security measure used to prevent automated bots from accessing certain online resources or performing certain actions on websites.
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1. Lion
2. Elephant
3. Zebra
4. Giraffe
5. Kangaroo
Enter the numbers corresponding to the animals (e.g., 1, 3) to prove you are not a bot.
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Please note that captchas can be made more complex and secure depending on the level of protection needed. The example above is a basic one, and for more robust protection, you might consider using more sophisticated challenges or integrating with third-party captcha services.