i'm stuck a part of the puzzle is 131→ the other part is 161← are suppose to find the sum or something

No, just directions. Now you're at Dist 110(R), so find a way to go to 131 then turn right. Then find your way to Dist 161 then turn left. And so on. (Advertisement: This game is Mazento Mori, Key: 9KX8XDJ6)