Ball

#include <iostream>
using namespace std;

int main() {
  int t;
  cin >> t;
  for (int i = 0; i < t; i++) {
    int p, q, r;
    cin >> p >> q >> r;
    int a[p], b[q], c[r];
    
    for (int j = 0; j < p; j++)
      cin >> a[j];
    for (int j = 0; j < q; j++)
      cin >> b[j];
    for (int j = 0; j < r; j++)
      cin >> c[j];
    
    long long int sum = 0;
    int x = 0, y = 0, z = 0;
    while (x < p && y < q && z < r) {
      if (a[x] == b[y] && b[y] == c[z]) {
        sum += a[x];
        x++;
        y++;
        z++;
      } else if (