#include <bits/stdc++.h>

using namespace std;

int profit(int b, int s, int c) 
{
    // Return the fixed profit.
    int j=b,z=s,x=c,i,m,k;
    for(i=b-1,m=s-1,k=1;i>0;i--,k++,m--)
    {
        if(i+k==j&&m+k==s&&i+m+k==x)
            break;
    }
    return k;
}

int main() {
    int t;
    cin >> t;
    for(int a0 = 0; a0 < t; a0++){
        int b;
        int s;
        int c;
        cin >> b >> s >> c;
        int result = profit(b, s, c);
        cout << result << endl;
    }
    return 0;
}