Proto Sum

### How to Play Proto Sum
1. **Objective**: Reach the given target sum using the numbers provided.
2. **Grid**: You have a grid where you can place numbers.
3. **Numbers**: Each level provides a set of numbers to place on the grid.
4. **Placement**: Select a number and place it on the grid. Adjust your strategy as needed.
5. **Sum**: Try to achieve the exact target sum by using combinations of numbers on the grid.
6. **Win Condition**: You win the level by matching the sum to the target exactly. Be careful, because exceeding or falling short means you need to rethink your placements.

## Proto Sum FAQs

- **Q: What happens if I exceed the target sum?**
  A: You need to retry the level from the start or undo your last moves.

- **Q: Can I swap numbers once they are placed?**
  A: Yes, but it might affect the current sum. Plan your moves wisely.

- **Q: Are there time limits for the puzzles?**
  A: No, you can play at your own pace.

- **Q: Is there a hint system?**
  A: Yes, you can use hints if you are stuck, but they are limited.