#include <bits/stdc++.h>

using namespace std;

int main()
{
	ifstream fin("packing.in");
	ofstream fout("packing.out");
	
	int f;
	double pos = 0;
	
	fin>>f;
	
	while (f--) {
		fout<<"1 0 0 ";
		
		int p, m, k, x;
		double y, maxy = -1e30, miny = 1e30;
		
		fin>>p;
		cout<<f<<": "<<p<<", ";
		while (p--) {
			fin>>y>>y;
			maxy = max(maxy, y + 0.01);
			miny = min(miny, y - 0.01);
		}
		fout<<pos - miny<<'\n';
		pos += maxy - miny;
		
		fin>>m;
		cout<<m<<"\n";
		while (m--) {
			fin>>k;
			cout<<"\t"<<m<<": "<<k<<"\n";
			while (k--)
				fin>>x;
		}
		cout<<endl;
	}
}