Aircraft runs off the side of runway during takeoff

A Pobeda Airlines flight travelling from Perm-Bolshoye Savino International Airport (PEE/USPP)
to Moskva-Sheremetyevo Airport (SVO/UUEE) suffered a runway excursion at the start of the takeoff roll at Perm Airport, Russia. Immediately after starting the takeoff from runway 21, the aircraft swerved to the left and departed the runway, becoming stuck in a snow drift.

Aircraft Information:

Airline: Pobeda Airlines

Code: DP/PBD

Aircraft: Boeing 737-8MA

Registration: RA-73294

Serial Number: 43664