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-## descendcombn
-
-### Instructions
-
-- Write a function that prints all possible combinations of `n` different digits in descending order.
-
-- n will be defined as : 10 > n > 0
-
-Below are the references for the **printing format** expected.
-
-- (for n = 1) '9, 8, ..., 3, 2, 1, 0'
-
-- (for n = 3) '987, 986, ..., 020, 019, 018, 017, 016, 015, 014, 013, 012'
-
-### Expected function
-
-```go
-func DescendCombN(n int) {
-
-}
-```
-
-### Usage
-
-Here is a possible program to test your function :
-
-```go
-package main
-
-import "piscine"
-
-func main() {
-	piscine.DescendCombN(9)
-	piscine.DescendCombN(3)
-	piscine.DescendCombN(1)
-}
-```
-
-And its output :
-
-```console
-$ go run .
-9, 8, 7, 6, 5, 4, 3, 2, 1, 0
-987, 986, ..., 018, 017, 016, 015, 014, 013, 012
-987654321, ..., 976543210, 876543210
-$
-```