#include <bits/stdc++.h>

using namespace std;

ifstream fin("program.in");
ofstream fout("program.out");

#define z7 10000000

int n;


float lat, lon, alt;
float lat2, lon2, alt2;

int ntime = 0;

int id, time1, ntime2;

int main()
{
    fin >> n;

    for (int i = 1; i <= n; i++)
    {
        fin >> id >> time1;

        ifstream r (to_string(id) + ".csv");

        string namea, nameb;
        int takeoff;
        int m;

        r >> namea >> nameb >> takeoff >> m;

        int diff = time1 - takeoff;


        r.get();



        for (int j = 1; j <= m && ntime2 <= diff; j += 2)
        {
            char s[5000];

            r.getline(s, 5000);



            char* p = strtok(s, ",");

            ntime = atoi(p);
            p = strtok(0, ",");

            lat = atof(p);
            p = strtok(0, ",");

            lon = atof(p);
            p = strtok(0, ",");

            alt = atof(p);
            p = strtok(0, ",");

            r.getline(s, 5000);


            if (ntime > diff)
                break;

            p = strtok(s, ",");

            ntime2 = atoi(p);
            p = strtok(0, ",");

            lat2 = atof(p);
            p = strtok(0, ",");

            lon2 = atof(p);
            p = strtok(0, ",");

            alt2 = atof(p);
            p = strtok(0, ",");



        }

        if (ntime > ntime2)
        {
            swap(ntime, ntime2);
            swap(alt, alt2);
            swap(lon, lon2);
            swap(lat, lat2);


        }

        cout << diff << '\n';

        if (ntime == diff)
        {
            fout << lat << ' ' << lon << ' ' << alt << '\n';
        }
        else
        {

            fout  << setprecision(10) << lat + ((((lat2 - lat) / (ntime2 - ntime)) * z7) / z7) * (diff - ntime) << ' ';
            fout  << setprecision(10) << lon + ((((lon2 - lon) / (ntime2 - ntime)) * z7) / z7) * (diff - ntime) << ' ';
            fout  << setprecision(10) << alt + ((((alt2 - alt) / (ntime2 - ntime)) * z7) / z7) * (diff - ntime) << '\n';


        r.close();
    }}

    fin.close();
    fout.close();
    return 0;
}