UNITGCD

#define ll long long
#include <bits/stdc++.h>
#include <stdio.h>
using namespace std;

int main()
{
    int t;
    cin>>t;
    while(t--)
    {
        int n;
        cin>>n;
          if(n%2==0)
          {
              cout<<n/2<<endl;
              for(int i=1;i<=n;i=i+2)
              {

                  printf("2 %d %d\n",i,i+1);

              }

          }
          else
          {
              if(n==1)
              {
                  cout<<"1"<<endl;
                  cout<<"1 1"<<endl;
              }
              else
              {
                  cout<<n/2<<endl;

                  cout<<"3 1 2 3"<<endl;

                  for(int i=4;i<=n;i=i+2)
                  {

                      printf("2 %d %d\n",i,i+1);
                  }


              }



          }








    }
    return 0;
}