#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
#define X first
#define Y second
#define ALL(v) v.begin(), v.end()
#define pb push_back
#define SZ(a) ((int)a.size())

const int MAXC = 100;
const int CCC = 1e9;

pii arr[55], org[55];
int deg[55];

int main() {
    ios::sync_with_stdio(0), cin.tie(0);
    int n, ans;
    cin >> n;
    for (int i = 1; i <= n; ++i) {
        cin >> arr[i].X >> arr[i].Y >> deg[i];
        org[i] = arr[i];
    }
    ans = *max_element(deg + 1, deg + n + 1);
    mt19937 rng(880301);

    int alpha, beta;

    auto transfer = [&](pii a) {
        return pii((1 + alpha * beta) * a.X + beta * a.Y, alpha * a.X + a.Y);  
    };

    auto inv = [&](pii a) {
        return pii(a.X - beta * a.Y, -alpha * a.X + (1 + alpha * beta) * a.Y);   
    };

    auto check = [&]() {
        vector<int> coord;
        for (int i = 1; i <= n; ++i)  {
            arr[i] = transfer(org[i]);
            coord.pb(arr[i].X);
        }
        sort(ALL(coord));
        for (int i = 0; i + 1 < SZ(coord); ++i)
            if (coord[i] + 1 >= coord[i + 1])
                return false;
        return true;
    };

    do {
        alpha = rng() % MAXC + 1;
        beta = rng() % MAXC + 1;
    } while (!check());
    
    assert(pii(1, 1) == inv(transfer(pii(1, 1))));
    
    vector<int> idx(n);
    iota(ALL(idx), 1);
    sort(ALL(idx), [&](int a, int b) {
        return arr[a].X < arr[b].X; 
    });

    vector<vector<pii>> output(ans);
    for (int i = 0; i < n; ++i) {
        int u = idx[i], x = arr[u].X;
        for (int j = 0; j < deg[u]; ++j)
            output[j].pb(pii(x, arr[u].Y));
        for (int j = deg[u]; j < ans; ++j)
            output[j].pb(pii(x, arr[u].Y + j + 1 - deg[u]));
        for (int j = 0; j < ans; ++j)
            output[j].pb(pii(x + 1, j));
    }
   
    cout << ans << "\n";
    for (int i = 0; i < ans; ++i) {
        cout << SZ(output[i]);
        for (pii p : output[i]) {
            p = inv(p);
            assert(abs(p.X) <= CCC && abs(p.Y) <= CCC);
            cout << " " << p.X << " " << p.Y;
        }
        cout << "\n";
    }
}
/*
3
1 2 1
2 1 2
3 3 2
2
6 1 2 164 -1148 2 1 273 -1911 3 3 436 -3052
6 -17 129 146 -1021 2 1 255 -1784 3 3 418 -2925
*/