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The pages that should be indexed are your main product pages. Parameter URLs should not be included in your indexing. Here are some articles that describe SEO considerations for parameter URLs in depth:
https://www.searchenginejournal.com/technical-seo/url-parameter-handling/
https://www.hallaminternet.com/avoiding-the-seo-pitfalls-of-url-parameters/
Hope that helps and please do not hesitate to let us know if you need our assistance with anything else.
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