#include <bits/stdc++.h>
#define rep(i,n) for(int i = 0; i < (n); ++i)
#define srep(i,s,t) for (int i = s; i < t; ++i)
#define drep(i,n) for(int i = (n)-1; i >= 0; --i)
using namespace std;
typedef long long int ll;
typedef pair<int,int> P;
#define yn {puts("Yes");}else{puts("No");}
#define MAX_N 200005

int main() {
    int t;
    cin >> t;
    rep(loop, t){
        int a, b, c;
        cin >> a >> b >> c;
        if(a > c)swap(a, c);

        int tmp1 = 2002002002;
        int tmp2 = 2002002002;

        if(a >= 2 && b >= 1 && c >= 3){
            tmp1 = 0;
            int x = a, y = b, z = c;
            if(x == z){
                x--;
                tmp1++;
            }
            if(y >= x){
                tmp1 += y - x + 1;
            }
        }
        if(a >= 1 && b >= 3 && c >= 2){
            tmp2 = 0;
            if(b <= c){
                tmp2 += c - b + 1;
                c = b - 1;
            }
            if(c <= a){
                tmp2 += a - c + 1;
                a = c - 1;
            }
        }

        int ans = min(tmp1, tmp2);
        if(ans == 2002002002)ans = -1;
        cout << ans << endl;
    }


    return 0;
}