#include <bits/stdc++.h>

using i64 = long long;

int main() {
    std::ios::sync_with_stdio(false);
    std::cin.tie(nullptr);
    
    int k;
    std::cin >> k;
    
    for (int i = 1; i <= k; i++) {
        std::cout << 4 << "\n";
        std::cout << -2 << " " << -1 << "\n";
        std::cout << 1 << " " << 0 << "\n";
        std::cout << 2 << " " << -i << "\n";
        std::cout << 1 << " " << 1 << "\n";
    }
    
    return 0;
}