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#include <iostream>
int compara(int x1, int y1, int r1,
int x2, int y2, int r2)
{
int distSq = (x1 - x2) * (x1 - x2) +
(y1 - y2) * (y1 - y2);
int radSumSq = (r1 + r2) * (r1 + r2);
if (distSq >= radSumSq)
return 0;
return 1;
}
int caso() {
int sombrillas;
int i, j;
int solapes = 0;
std::cin >> sombrillas;
int xs[sombrillas];
int ys[sombrillas];
int rs[sombrillas];
for (i = 0; i < sombrillas; i++) {
std::cin >> xs[i];
std::cin >> ys[i];
std::cin >> rs[i];
}
if (sombrillas < 2) {
return 0;
}
for (i = 0; i < sombrillas-1; i++) {
for (j = i+1; j < sombrillas; j++) {
if (compara(xs[i], ys[i], rs[i], xs[j], ys[j], rs[j]))
solapes++;
}
}
return solapes;
}
int main() {
int casos;
for (std::cin >> casos; casos > 0; casos--) {
std::cout << caso() << std::endl;
}
return 0;
}
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