Small Maestro Icon

Maestro and other 65,000 icons from Icons8 icon pack follow the visual guidelines of the operating systems: Windows, iOS, Android KitKat, and Material. PNG format is free up to 100x100 px.
It is a venn diagram consisting of two identical, side-by-side circles. The circles partially overlap, the parts that do not overlap are hallow, and the part that does is filled in.