#include <iostream>
#include <vector>
#include <math.h>
#include <string>
#include <algorithm>
#include <set>
#include <iomanip>
#define ll long long
#define dd long double
#define ii int
#define mod 1000000007
#define mod1 998244353
#define co pow(2,64)-1
#define f(i,n) for(i=0;i<=n;v++)
using namespace std;
typedef vector<int> vi;
typedef pair<int,int> pi;
//freopen("input.txt", "r", stdin);
//freopen("output.txt", "w", stdout);

//bit-manipulation
#define count_zeroes_atbeg(n) __builtin_clz(n)
#define count_zeroes_atend(n) __builtin_ctz(n)
#define count_ones(n) __builtin_popcount(n)
#define parity(n) __builtin_parity(n)

/*struct cmp {
 bool operator() (const pair<int, int> &a, const pair<int, int> &b) const {
 int lena = a.second - a.first + 1;
 int lenb = b.second - b.first + 1;
 if (lena == lenb) return a.first < b.first;
 return lena > lenb;
 }
 };*/

int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    
    ll t;
    cin>>t;
    while(t--)
    {
        ll a,b,c;
        cin>>a>>b>>c;
        ll prime[9];
        prime[0] = 7;
        prime[1] = 11;
        prime[2] = 101;
        prime[3] = 1009;
        prime[4] = 10007;
        prime[5] = 111323;
        prime[6] = 1000003;
        prime[7] = 10000019;
        prime[8] = 100000007;
        
        ll num1 = prime[c-1];
        ll num2 = num1;
        if(a==1 && b==1 && c==1)
            cout<<1<<" "<<1<<endl;
        else{
        if(a>c){
        while(true) {
            num1*=2;
            if(num1>=pow(10, a-1) && num1<pow(10, a))
                break;
        }
        }
        if(b>c){
        while(true) {
            num2*=3;
            if(num2>=pow(10, b-1) && num2<pow(10, b))
                break;
        }
            
            
        }
            cout<<num1<<" "<<num2<<endl;
    }
    }
    
}



