#include<bits/stdc++.h>
using namespace std;
int main()
{
    int t;
    cin>>t;
    while(t--){
        int a,b,c;
        cin>>a>>b>>c;
        int k=2;
        if(a==b && b==c){
            cout<<"0"<<endl;
        }
        else{
            int x=c-a;
            int y=c-b;
            if(x==y){
                cout<< 1<<endl;
            }
            else{
            cout<<2<<endl;
            }
        }
    }
}