func_code_string: #include <bits/stdc++.h>   using namespace std;   long long maxm = -1e18;   long long minm = 1e18;   long long mod = 1e9 + 7;   long long mod1 = 1e9 + 9;   const long double Pi = 3.141592653;   long long int fact(long long int n) {     if (n == 0) {       return 1;     } else if (n == 1) {       return 1;     }     long long int res = 1;     for (long long int i = 2; i <= n; i++) res = res * i;     return res;   }   long long int nCr(long long int n, long long int r) {     return fact(n) / (fact(r) * fact(n - r));   }   bool isint(double n) {     long long int j = n;     double w = n - j;     if (w > 0) {       return false;     }     return true;   }   long long int count3(long long int x) {     long long int ret = 0;     while (x % 3 == 0) {       ret++;       x /= 3;     }     return ret;   }   long long int sqr(long long int a) { return a * a; }   int32_t main() {     ios_base::sync_with_stdio(false), cin.tie(NULL);     long long t = 1;     cin >> t;     while (t--) {       long long int n;       cin >> n;       long long int ans = 1;       if (n == 1) {         cout << 1 <<   n ;         continue;       }       for (long long int i = 1; i <= 2 * n - 1; i++) {         ans = (ans * i);         ans = (ans) % mod;       }       ans = (ans * n) % mod;       cout << ans <<   n ;     }     return 0;   }   