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



int main(){
   int n;
    cin >> n;
    map<int,int> nums;
    for(int i = 0;i<n;i++){
        int a;
        cin >> a;
        nums[a] ++;
    }
    vector<tuple<int,int,int>> answer; 
    while(nums.size() >= 2){
        auto itr = nums.begin();
        pair<int,int> left = *itr;
        itr++;
        pair<int,int> right = *itr;
        answer.push_back( {1,left.second,right.first-left.first} );
        itr->second += left.second;
        nums.erase(left.first);
    }

    cout << answer.size() << endl;
    for(tuple<int,int,int> x : answer){
        cout << get<0>(x) << " " << get<1>(x) << " " << get<2>(x) << endl;
    }
}