#include<bits/stdc++.h>
using namespace std;


int main()
{
    int n,i,j,k,t,cas,cnt=0,a,b,c,d,e;
    cin>>t;
    for(cas=0;cas<t;cas++)
    {
        if(cas)
           cout<<endl;
        cin>>n;
        double x1[n+5],x2[n+5],y1,y2,co[n+5],mx,mn,save[2*n+5];
        int ind=0;
        for(i=0;i<n;i++)
        {
            cin>>x1[i]>>y1>>x2[i]>>y2>>co[i];
            mx=max(x1[i],x2[i]);
            mn=min(x1[i],x2[i]);
            x1[i]=mn,x2[i]=mx;
            save[ind++]=mx;
            save[ind++]=mn;
        }
        sort(save,save+ind);

        cout<<ind+1<<endl;
        printf("-inf %.3lf 1.000\n",save[0]);
        double coefficient=1.0;
        for(i=1;i<ind;i++)
        {
             coefficient=1.0;
             printf("%.3lf %.3lf ",save[i-1],save[i]);
             for(j=0;j<n;j++)
             {
                 if(x1[j]<=save[i-1] && save[i]<=x2[j])
                    coefficient*=co[j];
             }
             printf("%.3lf\n",coefficient);
        }
        printf("%.3lf +inf 1.000\n",save[ind-1]);
    }
    return 0;
}