# Diagonal Sort

Given a two-dimensional integer `matrix`

, sort each of the diagonals descending from left to right in ascending order.

**Constraints**

`n, m ≤ 25`

where`n`

and`m`

are the rows and columns of`matrix`

https://binarysearch.com/problems/Diagonal-Sort

## Examples

### Example 1

**Input**

- matrix =

```
[[9,8,7],
[6,5,4],
[3,2,1]]
```

**Output**

- answer =
`[[1, 4, 7], [2, 5, 8], [3, 6, 9]]`

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