The completed diagram will include each of the numbers from 1 to 9 in the squares of each row and column.
The numbers in the little rectangles within the diagram indicate the sum of the digits they contain.
Solution to the Problem:
Correctly solved by:
| 1. Rob Miles | Northbrook, Illinois |
| 2. Ivy Joseph | Pune, Maharashtra, India |
| 3. Brijesh Dave | Mumbai City, Maharashtra, India |
| 4. Madison Bindl |
Mountain View High School, Mountain View, Wyoming |