#include <bits/stdc++.h>
using namespace std;
 
#include <atcoder/all>
using namespace atcoder;
 
#pragma GCC target("avx")
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
 
using ll = long long;
using mint = modint998244353;

int main() {
  int K;
  cin >> K;
  vector<int> D(K);
  for(int i = 0; i < K; i++) {
    cin >> D[i];
  }
  sort(D.begin(), D.end());
  cout << 3 * K << "\n";
  for(int i = 0; i < K; i++) {
    cout << 3 * i + 1 << " " << 3 * i + 2 << " " << D[i] / 2 << "\n";
    cout << 3 * i + 1 << " " << 3 * i + 3 << " " << D[i] / 2 << "\n";
    if(i > 0) cout << 3 * i + 1 << " " << 3 * i - 2 << " " << (D[i] - D[i - 1]) / 2 << "\n";
  }
  cout << 2 * K << "\n";
  for(int i = 0; i < K; i++) {
    cout << 3 * i + 2 << " " << 3 * i + 3 << " \n"[i == K - 1];
  }
}