Yes. Right hand has first digit. You want the scorers table to read the number left to right.
Funny story from coaching days .. my wife wondered for several games when I was coaching about something and she never asked. Mid-way through the season she asked "You keep putting the team in 13 for the defense". I said yes the 1-3-1. She said but you keep holding up 31 on your fingers.
She sat behind the bench in the bleachers