Number Sum
The following grid of size 5x5 is partially complete with whole numbers from 1 to 7.
The sum of each row and column is shown on the edges of the grid.
Fill in the missing numbers to complete the grid.
| 23 | 19 | 23 | 18 | 23 | |
| 29 | 7 | 3 | |||
| 12 | 2 | 1 | 3 | 1 | |
| 22 | 4 | ||||
| 21 | 5 | 6 | 4 | ||
| 22 | 5 | 7 | 6 |