#include using namespace std; #define F first #define S second #define R cin>> #define ln cout<<'\n' #define ll long long #define in(a) insert(a) #define pb(a) push_back(a) #define pd(a) printf("%.12f\n",a) #define mem(a) memset(a,0,sizeof(a)) #define all(c) (c).begin(),(c).end() #define iter(c) __typeof((c).begin()) #define rrep(i,n) for(ll i=(ll)(n)-1;i>=0;i--) #define REP(i,m,n) for(ll i=(ll)(m);i<(ll)(n);i++) #define rep(i,n) REP(i,0,n) #define tr(it,c) for(iter(c) it=(c).begin();it!=(c).end();it++) ll check(ll n,ll m,ll x,ll y){return x>=0&&x=0&&yvoid pr(const A &a,const B&...b){cout<void PR(A a,ll n){rep(i,n)cout<<(i?" ":"")< P; typedef pair PP; ll D(P a,P b) { return (a.F-b.F)*(a.F-b.F)+(a.S-b.S)*(a.S-b.S); } void Main() { ll T; cin >> T; while(T--) { ll d,k; cin >> d >> k; vector a; rep(x,d+1) { ll y=d-x; ll z=D(P(0,0),P(x,y)); a.pb(PP(z,P(x,y))); a.pb(PP(z,P(-x,y))); a.pb(PP(z,P(x,-y))); a.pb(PP(z,P(-x,-y))); } sort(all(a)); a.erase(unique(all(a)),a.end()); k--; if(k