/*
 *   Copyright (c) 2024 Emon Thakur
 *   All rights reserved.
 */
#include<bits/stdc++.h>
using namespace std;
//ofstream file("output9.txt");
void solve()
{
    int A,B,C; cin>>A>>B>>C;
    int a,b,c,sum=A+B+C;
    a = min({A,B,C});
    c = max({A,B,C});
    b = sum-a-c;

    int k = __gcd(b-a,c-b);
    //cout<<(c-a)/k<<endl;
    if(k==0) cout<<0<<endl;
    else cout<<(c-a)/k<<endl;
}

int main()
{
    //freopen("input9.txt","r",stdin);
    int t; cin>>t; while(t--) solve();
}