iiitv/ChefLib

// Code written by Monal
#include "bits/stdc++.h"

using namespace std;


void call_even(int n) {
    int j = 1;
    for (int i = 1; i <= n; i += 2) {
        cout<<n<<"\n";
        for (int k = 1; k <= n; ++k) {
            cout<<k<<" "<<j<<" "<<j+1<<"\n";
        }
        cout<<n<<"\n";
        for (int k = 1; k <= n; ++k) {
            cout<<k<<" "<<j<<" "<<j+1<<"\n";
        }
        j += 2;
    }
}


void call_odd(int n) {
    int j = 1;
    for (int i = 1; i <= n; ++i) {
        cout<<n<<"\n";
        for (int k = 1; k <= n; ++k) {
            cout<<k<<" "<<i<<" ";
            if (i != n)
                cout<<i+1;
            else
                cout<<1;
            cout<<"\n";
        }
    }
}


int main() {
    ios::sync_with_stdio(false);
    cin.tie(NULL);
    int tc;
    cin>>tc;
    while (tc--) {
        int n;
        cin>>n;
        //vector <bool> init (n, false);
        //vector < vector <bool> > arr (n, vector <bool> (n, false));
        cout<<n<<"\n";
        if (n % 2 == 0) {
            call_even(n);
        }
        else {
            call_odd(n);
        }
        //arr.clear();
    }
    return 0;
}