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

using ll = long long;
#define rep(i,n) for(ll i=0;i<ll(n);i++)
#define all(A) A.begin(),A.end()
using vll = vector<ll>;
using vvll = vector<vll>;
using vvvll = vector<vvll>;
using vvvvll = vector<vvvll>;
using vb = vector<bool>;
using vvb = vector<vb>;
using vvvb = vector<vvb>;
using vvvvb = vector<vvvb>;

bool DEB = 0;

ll arithsum(ll a,ll b,ll d=1){
    ll len=(b-a+1);
    return (a+b)*len/2;
}

void solve(){
    ll D,A,B;
    cin>>D>>A>>B;
    if(A==0&&B==0){
        cout<<0<<endl;
        return;
    }
    A=max(1ll,A);
    ll res=0;
    ll len=(B-A+1);
    res=(len/(D-1))*arithsum(1,D-1);
    B-=(len/(D-1))*(D-1);
    if(B<A){
        cout<<res<<endl;
        return;
    }
    //cout<<A<<" "<<B<<endl;
    A%=(D-1);
    if(A==0)A+=(D-1);
    B%=(D-1);
    if(B==0)B+=(D-1);
    //cout<<A<<" "<<B<<endl;
    if(A<=B){
        res+=arithsum(A,B);
    }
    else{
        res+=arithsum(A,D-1)+arithsum(1,B);
    }
    cout<<res<<endl;
    return;
}

int main() {
    
    ll T;
    cin>>T;
    rep(t,T)solve();

}