Contact Edge rules copied from Rätsel und Puzzles:
- Draw along the grid lines a single loop into the diagram which visits a grid dot at most once.
- A number in a cell indicates the sum of all loop segments around the cell.
Theme: Large Numbers. Based on a Discord observation that the puzzle style looks like Slitherlink, but can have clues greater than 4.
![Contact Edge puzzle](contactedge-largenumbers.png)