/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~**
*                       BISMILLAHIR RAHMANIR RAHIM                           *
**~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
 
#include<bits/stdc++.h>
#define fast ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
#define s(v)       sort(v.begin(),v.end())
#define r(v)       reverse(v.begin(),v.end())
#define pf         printf
#define sf         scanf
#define pb         push_back
#define GCD(x,y)   __gcd(x, y)
#define ll         long long
#define lld        long double
#define vs         v.size()
#define ss         s.size()
#define sd         second
#define mp         make_pair
#define ii         pair<long long, long long>
#define iii        pair<long long, ii>
#define cii        pair<char, ii>
#define CheckMate  return
using namespace std;

const long long MOD = 1000000007;
void oacm() {
    int A,B,C;
    cin>>A>>B>>C;
    int arr[3] = {A, B, C};
    sort(arr, arr + 3);
    
    A = arr[0];
    B = arr[1];
    C = arr[2];
    
    if (A == B && B == C) {
        cout<<0<<endl;
        return;
    }
    
    if ((C- B) == (B - A)) {
        cout<<1<<endl;
        return;
    }
    
    cout<<2<<endl;
}

int main() {
    fast;
    int t;
    cin >> t;
    while (t--) {
        oacm();
    }
    return 0;
}