#include <bits/stdc++.h>
using namespace std;
// #include<atcoder/all>
// using mint = atcoder::modint998244353;
using ld = long double;
#define fi first
#define se second
#define all(x) x.begin(),x.end()
#define rep(i,n) for(int i=0;i<(int)(n);++i)
template<typename T>bool chmin(T&a,T b){return b<a?(a=b,1):0;}
template<typename T>bool chmax(T&a,T b){return b>a?(a=b,1):0;}

int main(){
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    
    int N;
    cin>>N;
    vector<long> A(N);
    rep(i,N)cin>>A[i];
    vector<array<long,3>> ans;
    rep(_,30){
        if(count(all(A),A[0])==N) break;
        long m=(A[0]+A[N-1])/2;
        int r=-1;
        while(r+1<N&&A[r+1]<=m) r++;
        ans.push_back({0,r,m/2});
        rep(i,r+1) A[i]+=m/2;
        sort(all(A));
    }
    cout<<ssize(ans)<<"\n";
    for(auto e: ans)cout<<e[0]+1<<" "<<e[1]+1<<" "<<e[2]<<"\n";
}