#include <bits/stdc++.h>
#define rep(i,n) for(int i = 0; i < (n); i++)
using namespace std;
typedef long long ll;

int main(){
    cin.tie(0);
    ios::sync_with_stdio(0);
    
    int T; cin >> T;
    rep(_,T) {
        ll A,B,C; cin >> A >> B >> C;
        ll ans = 1e18;
        // A > B < C
        ll nA = A, nB = min(B, min(A, C) - 1), nC = C;
        if(nA == nC) {
            nA--;
            if(nA == nB) nB--;
        }
        if(nA != nC && nB > 0) {
            ans = min(ans, A - nA + B - nB + C - nC);
        }

        // A < B > C
        nA = min(A, B - 2), nB = B, nC = min(C, B - 1);
        if(nA > 0 && nC > 0) {
            ans = min(ans, A - nA + B - nB + C - nC);
        }
        nA = min(A, B - 1), nB = B, nC = min(C, B - 2);
        if(nA > 0 && nC > 0) {
            ans = min(ans, A - nA + B - nB + C - nC);
        }
        cout << (ans == ll(1e18) ? -1 : ans) << "\n";
    }
}