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It really doesn't matter IMO. It depends on how you feel with your story. It sounds to me like you have it planned well. Do you know what it will be called?
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#3: Attribution notice added
Source: https://writers.stackexchange.com/a/34208 License name: CC BY-SA 3.0 License URL: https://creativecommons.org/licenses/by-sa/3.0/