#include <iostream>
#include <bits/stdc++.h>

using namespace std;

typedef long double ld;

ld step = 0.1;
int iters = 50;

int main() {
  int t = 0;
  std::cin >> t;
  while (t--) {
    ld r, h, a, b;
    cin >> r >> h >> a >> b;
    ld ans = 0;
    ld xv1 = -a;
    ld yv1 = 0;
    ld zv1 = h;
    ld xv2 = b;
    ld yv2 = 0;
    ld zv2 = h;
    for (ld x = -r; x <= r; x += step) {
      for (ld y = -r; y <= r; y += step) {
        if (x * x + y * y < r * r) {
          ld lo = 0;
          ld hi = h;
          int iter = 0;
          while (iter++ < iters) {
            ld mid = (lo + hi) / 2;
            ld k = (-mid) / (zv1 - mid);
            ld x1 = (xv1 - x) * k + x;
            ld y1 = (yv1 - y) * k + y;
            ld x2 = (xv2 - x) * k + x;
            ld y2 = (yv2 - y) * k + y;
            if (x1 * x1 + y1 * y1 < r * r && x2 * x2 + y2 * y2 < r * r) {
              lo = mid;
            } else {
              hi = mid;
            }
          }
          cout << std::fixed << setprecision(20) << x << " " << y << " " << lo << "\n";
          ans += lo * step * step;
        }
      }
    }
    cout << setprecision(20) << ans << "\n";
    cout << (long long) (ans * 10) << "\n";
  }
  return 0;
}