Place each digit from 1 through 9 in the empty squares of the grid so that the three rows across and the three rows down form correct arithmetic statements.
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| 1. K. Sengupta | Calcutta, India |
| 2. Colin (Yowie) Bowey | Beechworth, Victoria, Australia |
| 3. Tristan Sparkes | ---------- |
| 4. Bruce Sparkes | ---------- |
| 5. Davit Banana | Istanbul, Turkey |
| 6. Dr. Hari Kishan |
D.N. College, Meerut, Uttar Pradesh, India |
| 7. Jasmine Hernandez |
Central High School, Grand Junction, Colorado |
| 8. Ali Sibert |
Mountain View High School, Mountain View, Wyoming |
| 9. Ritwik Chaudhuri | Santiniketan, West Bengal, India |
| 10. Ivy Joseph | Pune, Maharashtra, India |
| 11. Rumen Videnov |
American College of Sofia, Sofia, Bulgaria |
| 12. Kelly Stubblefield | Mobile, Alabama |