B

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

int main(){
    int t;
    cin>>t;

    while(t--){
        int n, k;
        cin>>n>>k;

        vector<int> ans;

        int sum = 0;

        ans.push_back(0);

        for(int i=0; i<30 && (sum+(1<<i))<=k; i++)
        {
            sum += (1 << i);
            ans[0] += ((1<<i));
        }

        if(n > 1)
            ans.push_back(0);

        ans.back() += k-sum;

        while(ans.size() < n)
            ans.push_back(0);

        assert(accumulate(ans.begin(), ans.end(), 0) == k);

        for(auto e: ans)        cout<<e<<" ";
        cout<<"\n";
    }
}