func_code_string: #include <bits/stdc++.h>   using namespace std;            #define ios   ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL)   #define FOR(i,m)  for(int i = 0 ;i  < m ;i++)   #define mem(a ,b)  memset(a,  (b) , sizeof(a))   #define all(cont)  cont.begin(),cont.end()   #define mp   make_pair   #define pb   push_back   #define F   first   #define S   second   #define cn   cout<<  n          typedef pair<int,int>  pi;   typedef vector<int>  vi;   typedef long long   ll;   typedef long double  ld;   typedef unsigned long long int  ull;         const int maxN = 1e5 + 1;   const int mod  = 1e9 + 7;               void solve(){       int n;    cin >> n;    int a[n];       for(int i = 0 ;i <  n;i++) cin >> a[i];       cout<<n/2<<  n ;    for(int i = 0 ; i + 1< n; i+=2 ){     cout<<i+1<<   <<i+2<<   <<min(a[i] , a[i+1]) <<    <<mod<<  n ;    }                  }               int main(){               int T = 1;    cin >> T;        while(T--){     solve();    }       return 0;   }      