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

int main(){
  int t;
  cin >> t;
  while (t--){
    vector<int> a(3);
    cin >> a[0] >> a[1] >> a[2];
    int ans = 0, g = 0;
    sort(a.begin(), a.end());
    g = __gcd(g, a[1] - a[0]);
    g = __gcd(g, a[2] - a[1]);
    if (!g){
      cout << 0 << endl;
      continue;
    }
    ans += (a[1] - a[0]) / g;
    ans += (a[2] - a[1]) / g;
    cout << ans << endl;
  }
}