func_code_string: #include <bits/stdc++.h>   using namespace std;   void _print(long long int t) { cerr << t; }   void _print(int t) { cerr << t; }   void _print(string t) { cerr << t; }   void _print(char t) { cerr << t; }   void _print(long double t) { cerr << t; }   void _print(double t) { cerr << t; }   void _print(unsigned long long t) { cerr << t; }   bool cmp(pair<long long int, long long int> a,            pair<long long int, long long int> b) {     if (a.first != b.first)       return a.first > b.first;     else       return a.second > b.second;   }   long long int binarySearch(vector<long long int> v, long long int l,                              long long int r, long long int x) {     while (l <= r) {       long long int mid = l + (r - l) / 2;       if (v[mid] == x)         return mid;       else if (v[mid] < x)         l = mid + 1;       else         r = mid - 1;     }     return -1;   }   long long int power(long long int x, long long int n) {     if (n == 0)       return 1;     else if (n % 2 == 0)       return power(x * x, n / 2);     else       return x * power(x * x, (n - 1) / 2);   }   long long int ModularExpo(long long int x, long long int y, long long int p) {     long long int res = 1;     x = x % p;     if (x == 0) return 0;     while (y > 0) {       if (y & 1) res = (res * x) % p;       y = y >> 1;       x = (x * x) % p;     }     return res;   }   void solve() {     long long int n;     cin >> n;     for (long long int i = 0; i < n; i++) cout << i + 2 <<    ;     cout <<   n ;   }   int main() {     ios::sync_with_stdio(false);     cin.tie(NULL);     cout.tie(NULL);     ;     long long int t;     cin >> t;     while (t--) solve();     return 0;   }   