So, there is some problem when I try to export drawing that contains cyrillic text to *.dwg file.
When I open *.dwg file in Autocad or even in Rhino cyrillic characters transforms to unicode text.
This is a big problem for the company where I work.
That’s how it looks in Rhino before export:
That’s how it looks in Civil 3D:
That’s how it looks in Rhino after import: