#include <bits/stdc++.h>
using namespace std;

#define io ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
#define ALL(x) x.begin(),x.end()
#define SZ(x) x.size()
#define PB push_back
#define MP make_pair
#define F first
#define S second
typedef long long LL;
typedef vector<int> VI;
typedef pair<int,int> PI;

int t,n;
LL x;

void solve() {
    cin >> x >> n;
    LL a[n];
    for(int i = 0; i < n; i++)
        a[i] = (LL)x / n;
    for(int i = n - 2; i >= n - 1 - x % n ; i--)
        a[i]++;
    for(int i = 0; i < n; i++)
        cout << a[i] << " ";
    cout << "\n";
}

int main() {
    io
    cin >> t;
    while(t--)
        solve();
}