Huzzle Cast Helix Schwierigkeitsgrad 5 and the joy of puzzling

and the joy of puzzling

Place the numbers in the frame so that the sum of the numbers in any row is the same

5 x 8 x 4 cm

Created by Vesa Timonen from Finland

Find out and open the lock

Huzzle Cast Helix Schwierigkeitsgrad 5 and the joy of puzzlingThe grooves engraved into the two stars are called "logarithmic spirals." These two grooves always cross at right angles, and a square hole is formed at their intersection. The goal of this puzzle is to remove the helix ring that goes through this hole. The original concept dates back to 1990, but has been expanded to include some tricky features. Difficulty level: 5 out of 6