#include <bits/stdc++.h>
#define For(i,a,b) for(int i=(a);i<=(b);++i)
#define Rep(i,a,b) for(int i=(a);i>=(b);--i)
#define int long long
using namespace std;

const int maxn = 400005;
#define inf 0x3f3f3f3f
#define pii pair<int,int>
#define fi first
#define se second
#define pb push_back
#define mkp make_pair


signed main(){
    int k;cin>>k;
    For(i,1,k){
        cout<<4<<"\n";
        puts("-1 -1");
        puts("1 0");
        cout<<i+2<<" "<<-i<<"\n";
        puts("0 1");
    }
    return 0;
}
/*
4
0 1
2 1
3 1
1 1

3
0 1
2 10
4 20

2
4 20
2 10

()
((()))
a[i] = !a[n-i+1]
 

2
1 10
10 2
*/