Curated
1| # | Title | Difficulty | Tags | |
|---|---|---|---|---|
| 35 | The coin rotation paradox | Medium |
From open sources
7Complete problems only, with worked solutions first. Show everything
| # | Title | Difficulty | |
|---|---|---|---|
| 132141 | Two Crosses From One | Medium | |
| 132147 | The Cardboard Box | Medium | |
| 132149 | The Three Railway Stations | Medium | |
| 132150 | The Garden Puzzle | Medium | |
| 132151 | How to Draw an Oval | Medium | |
| 132152 | The Clothes Line Puzzle | Medium | |
| 132158 | Hannah's Puzzle | Medium |