Difficulty Level | Low | High | Example |
Easiest | 2 | 2 | Puzzle · 3-steps · All-steps · Solution grid |
Easy | 3 | 4 | Puzzle · 3-steps · All-steps · Solution grid |
Medium | 5 | 8 | Puzzle · 3-steps · All-steps · Solution grid |
Difficult | 9 | 12 | Puzzle · 3-steps · All-steps · Solution grid |
Challenging | 13 | 16 |