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Историческую версию Compass Ruler можно получить на Android
Правитель и компас геометрическая конструкция головоломка!
Fun and really hard geometry construction puzzle!
The rules are simple:
* Create a circle using the compass through two existing points
* Create a line using the ruler through two existing points
* New points are created by intersections of circles and lines
Can you beat all the levels?