7.2. Fill in the cells of a $3 \times 3$ table with integers such that the sum of all numbers in the table is positive, while the sum of the numbers in any $2 \times 2$ square is negative.
Answer: For example,

| 1 | 1 | 1 |
| :---: | :---: | :---: |
| 1 | -6 | 1 |
| 1 | 1 | 1 |.

## Criterion.

7 points. Any correct example.

Comment. There are several different correct examples.