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https://cryptolb.info/review/sphere-%d1%8d%d1%82%d0%be-%d1%83%d0%b6%d0%b5-%d1%80%d0%b0%d0%b1%d0%be%d1%87%d0%b8%d0%b9-%d0%bf%d1%80%d0%be%d0%b4%d1%83%d0%ba%d1%82/
Sphere - это уже рабочий продукт!