#include using namespace std; #define int long long #define REP(i,m,n) for(int i=(m);i<(n);i++) #define rep(i,n) REP(i,0,n) #define pb push_back #define all(a) a.begin(),a.end() #define rall(c) (c).rbegin(),(c).rend() #define mp make_pair #define endl '\n' #define vec vector #define mat vector > #define fi first #define se second #define double long double typedef long long ll; typedef unsigned long long ull; typedef pair pll; //typedef long double ld; typedef complex Complex; const ll INF=1e9+7; const ll MOD=998244353; const ll inf=INF*INF; const ll mod=INF; const ll MAX=140010; signed main(){ ll t;cin>>t; while(t--){ ll v,x; cin>>v>>x; if(x==1){ cout<<1<used(p); ll now=1; bool f=0; rep(j,x){ if(used[now])f=1; used[now]=1; now=i*now%p; } if(f==0){ now=1; vectorans(0); ll sum=0; rep(j,x){ sum+=now; ans.pb(now); now=now*i%p; } if(sum%p!=0)continue; sort(all(ans)); rep(j,x){ cout<