#include<bits/stdc++.h>
#define on(x , y) ((x) & (1<<(y)))
using namespace std;
int T , n , B;
int main(){
    int T;
    cin>>T;
    while(T--){
        cin>>n;
        vector < pair < int , int > >v ;
        for(int j = 1 ; j < n ; j++)
            v.push_back({j , j + 1});
        v.push_back({n , 1});
        int sz = v.size();
        cout<<sz<<endl;
        for(int r = 0 ; r < n ; r++){
            int pos = r;
            cout<<n<<endl;
            for(int j = 0 ; j < n ; j++){
                cout<<j + 1 <<' ' << v[pos].first<<' '<<v[pos].second<<endl;
                pos++; pos %= n;
            }
 
        }
    }
}