#include <atcoder/all>
#include <bits/stdc++.h>
#define rep(i, a, b) for (ll i = (ll)(a); i < (ll)(b); i++)
using namespace atcoder;
using namespace std;

typedef long long ll;

template <typename T> ostream &operator<<(ostream &os, const vector<T> &v) {
    int n = v.size();
    rep(i, 0, n) { os << v[i] << " \n"[i == n - 1]; }
    return os;
}

int main() {
    cin.tie(0);
    cout.tie(0);
    ios::sync_with_stdio(0);
    int k;
    cin >> k;
    vector<int> d(k);
    rep(i, 0, k) cin >> d[i];
    sort(d.begin(), d.end());
    vector<int> v(k + 1);
    rep(i, 0, k) {
        v[i + 1] = d[i] / 2;
        if (i == k - 1)
            v[i + 1] = d[i];
    }
    vector<tuple<int, int, int>> ans;
    rep(i, 0, k) { ans.emplace_back(i, i + 1, v[i + 1] - v[i]); }
    rep(i, k + 1, k + k) { ans.emplace_back(i - k, i, v[i - k]); }
    cout << 2 * k << '\n';
    for (auto [x, y, z] : ans) {
        cout << x + 1 << ' ' << y + 1 << ' ' << z << '\n';
    }
    cout << k + 1 << '\n';
    cout << "1 ";
    rep(i, k + 1, k + k + 1) cout << i << ' ';
    cout << '\n';
}