f37bd7e8-533c-4088-95f0-3cd9d3afcd93 156 B

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  1. id: f37bd7e8-533c-4088-95f0-3cd9d3afcd93
  2. url: http://glyphic.s3.amazonaws.com/ozone/mark/periodic/Periodic%20Table%20of%20the%20Operators%20A4%20300dpi.jpg