#include<bits/stdc++.h>
using namespace std;

int main(){
  int n;
  cin>>n;
  vector<tuple<int,int,int>> edge;
  int a=9,b=16,c=11;
  for (int i=2;i<n;i++){
    edge.push_back({0,i,c});
    edge.push_back({1,i,b});
  }
  edge.push_back({0,1,a});
  int m=edge.size();
  assert(m==2*n-3);
  cout<<m<<endl;
  for (auto [u,v,c]:edge) cout<<u+1<<" "<<v+1<<" "<<c<<endl;
  auto f=[&](int i,int j){
    if (i==0&&j==1){
      cout<<1<<" "<<m<<endl;
      return;
    }
    if (i==0){
      cout<<2<<" "<<m<<" "<<(j-2)*2+2<<endl;
      return;
    }
    if (i==1){
      cout<<1<<" "<<(j-2)*2+2<<endl;
      return;
    }
    cout<<3<<" "<<(i-2)*2+1<<" "<<m<<" "<<(j-2)*2+2<<endl;
  };
  for (int i=0;i<n;i++) for (int j=i+1;j<n;j++) f(i,j);
}