horizontal green white red flag - SERP Analysis

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https://www.reddit.com/r/vexillology/comments/1g6bwlb/green_red_white_one_of_the_most_common_tricolor/

https://worldpopulationreview.com/country-rankings/countries-with-green-white-and-red-flags

https://en.wikipedia.org/wiki/Flag_of_Bulgaria

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https://www.wikihow.com/Red-White-and-Green-Flag