Please, confirm my guess.
I found that some country border needs to correct.
The yellow line is Goggle border and the blue line builds from points of DCW output.
I see a clear mismatch
pscoast -M -ERU.ROS >rostov0.txt
PS file shoes both two places ( Chertkovo (Rostov region) and Zoryanovka (Donetsk region)) on Donetsk region
eu.ps (29.4 КБ)
Windows 7/10 GMT 6.5.0