1. Like-numbers must form a line:
3 |
3 |
3 |
4 | |
4 | |
4 | 4 |
No other shape will work:
4 | ||
4 | 4 | 4 |
4 | 4 |
4 | 4 |
2. The length of the line must match its number:
2 |
2 |
2 |
2 |
2 |
3. Two lines with the same number must not touch, even at a corner:
2 | ||
2 | ||
2 | 2 |
4. If there is a circle around a group of numbers, then their sum must be the value shown:
3 6 | 2 |
3 | 2 |
3 |
4 6 | 2 |
4 | 2 |
4 | 4 |
There is a solution to every puzzle.
4 | ||
5 |