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O Button (Blood Type)
- 1f17e
- fe0f
Twemoji Copyright 2018 Twitter, Inc and other contributors Graphics licensed under CC-BY 4.0: https://creativecommons.org/licenses/by/4.0/ Noto Color Emoji Copyright 2018 Google Inc. and other contributors Emoji fonts licensed under SIL OPEN FONT LICENSE Version 1.1 - 26 February 2007