404. That’s an error.

The requested URL /wikipedia/ru/$041B$043E$043A$0430$0446$0438$0438_$043C$0438$0440$0430_$0413$0430$0440$0440$0438_$041F$043E$0442$0442$0435$0440$0430 was not found on this server. That’s all we know.