#include <bits/stdc++.h>
#define INF 1000000001LL
#define LNF 1000000000000000001LL
#define MOD 1000000007LL
#define MAX 200000
#define long long long
#define all(x) x.begin(),x.end()
using namespace std;

int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);

    int n;
    cin >> n;
    vector<int> arr(n);
    for(int i = 0; i<n; i++)
        cin >> arr[i];
    cout << 30 << "\n";
    for(int i = 29; i >=0; i--)
    {
        int end = n;
        for(int j = 0; j<n; j++)
        {
            if(arr[j]&(1<<i))
            {
                end = j;
                break;
            }
            arr[j]|=(1<<i);
        }
        sort(all(arr));
        cout << 1 << " " << end+(end == 0) << " " << (1<<i)*(end != 0) << "\n";
    }
    return 0;
}