func_code_string: #include<bits/stdc++.h>   using namespace std;   #define ll long long   #define mod 1000000007   void solve()   {           int k,n,m;           cin >> k >> n >> m;           vector<int> a(n);           for(auto &i:a)           {               cin >> i;           }           vector<int> b(m);           for(auto &i:b)           {               cin >> i;           }           vector<int> res(n+m);           int i=0,j=0,ind=0;           while(i!=n && j!=m)           {               if(a[i]==0)               {                   res[ind]=0;                   ind++;                   i++;                   k++;               }               else if(b[j]==0)               {                   res[ind]=0;                   ind++;                   j++;                   k++;               }               else if(a[i]<=b[j] && a[i]<=k)               {                   res[ind]=a[i];                   ind++;                   i++;               }               else if(a[i]>=b[j] && b[j]<=k)               {                   res[ind]=b[j];                   ind++;                   j++;               }               else               {                   cout << -1 << endl;                   return;               }           }           while(i!=n)           {               if(a[i]==0)               {                   res[ind]=0;                   ind++;                   i++;                   k++;               }               else{               if(a[i]>k)               {                   cout << -1 << endl;                   return;               }               res[ind]=a[i];               ind++;               i++;               }           }           while(j!=m)           {               if(b[j]==0)               {                   res[ind]=0;                   ind++;                   j++;                   k++;               }               else{               if(b[j]>k)               {                   cout << -1 << endl;                   return;               }               res[ind]=b[j];               ind++;               j++;}           }           for(auto x:res)               cout << x <<    ;           cout << endl;   }   int main()   {       int t;       cin >> t;       while(t--)       {           solve();       }   }      