Question: Write a function to solve a mini-Sodoku problem as follows. On a partially-filled 3x3 board, place int instances in the range {1, 2, 3} so
Write a function to solve a mini-Sodoku problem as follows. On a partially-filled 3x3 board, place int instances in the range {1, 2, 3} so that no row or column contains a repeated value. Explain your reasoning.
Partially filled
| _ | 2 | _ |
| 3 | 1 | _ |
| _ | 3 | _ |
Solved
| 1 | 2 | 3 |
| 3 | 1 | 2 |
| 2 | 3 | 1 |
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