/* Flare Up Like A Flame */
// Start Time:
#include<bits/stdc++.h>
using namespace std;
#define ff                first
#define ss                second
#define MX                1000000
#define ll                long long
#define pb                push_back
#define pi                acos(-1.0)
#define PQ                priority_queue
#define mod               1000000007
#define eps               1/1000000000
#define pii               pair<int,int>
#define pll               pair<ll,ll>
#define endl              "\n"
#define Fast              ios::sync_with_stdio(0); //cin.tie(0); cout.tie(0)
#define bug(a)            cout<<#a<<":"<<a<<endl
#define TC(tc)            cout<<"Case "<<tc++<<": "
#define all(x)            (x).begin(),(x).end()
#define allr(x)           (x).rbegin(),(x).rend()
#define Mul(a,b)          (a%mod * b%mod)%mod;
#define Add(a,b)          (a%mod + b%mod)%mod;
#define mem(a,b)          memset(a, b, sizeof(a))
#define double_print(x,a) cout<<fixed<<setprecision(x)<<a<<endl
ll tc=1;

ll phi[MX];
void euler_totient() {
    for(int i=0; i<MX; i++) phi[i]=i;
    for(int i=2; i<MX; i++) {
        if(phi[i]==i) {
            for(int j=i; j<MX; j+=i)
                phi[j]-=(phi[j]/i);
        }
    }
}

int main()
{
    Fast;
    //euler_totient();


    ll t;
    cin>>t;
    while(t--)
    {
        ll a,b,m;
        cin>>a>>b>>m;
        ll z=m/(b-a);
        for(int i=0; i<=z; i++)
        {
            ll x=a+i;
            ll y=b+i;
            cout<<x<<" "<<y<<" = "<<__gcd(x,y)<<endl;
        }
    }

    return 0;
}