#include <bits/stdc++.h>
#define pb push_back
#define eb emplace_back
#define fi first
#define se second
#define rep(i,N) for(long long i = 0; i < (long long)(N); i++)
#define repr(i,N) for(long long i = (long long)(N) - 1; i >= 0; i--)
#define rep1(i,N) for(long long i = 1; i <= (long long)(N) ; i++)
#define repr1(i,N) for(long long i = (N) ; (long long)(i) > 0 ; i--)
#define each(x,v) for(auto& x : v)
#define all(v) (v).begin(),(v).end()
#define sz(v) ((int)(v).size())
#define ini(...) int __VA_ARGS__; in(__VA_ARGS__)
#define inl(...) long long __VA_ARGS__; in(__VA_ARGS__)
#define ins(...) string __VA_ARGS__; in(__VA_ARGS__)
using namespace std; void solve();
using ll = long long; template<class T = ll> using V = vector<T>;
using vi = V<int>; using vl = V<>; using vvi = V< V<int> >;
constexpr int inf = 1001001001; constexpr ll infLL = (1LL << 61) - 1;
struct IoSetupNya {IoSetupNya() { cin.tie(nullptr); ios::sync_with_stdio(false); cout << fixed << setprecision(15); cerr << fixed << setprecision(7);} } iosetupnya;
template<typename T, typename U> inline bool amin(T &x, U y) { return (y < x) ? (x = y, true) : false; }
template<typename T, typename U> inline bool amax(T &x, U y) { return (x < y) ? (x = y, true) : false; }
template<typename T, typename U> ostream& operator <<(ostream& os, const pair<T, U> &p) { os << p.first << " " << p.second; return os; }
template<typename T, typename U> istream& operator >>(istream& is, pair<T, U> &p) { is >> p.first >> p.second; return is; }
template<typename T> ostream& operator <<(ostream& os, const vector<T> &v) { int s = (int)v.size(); rep(i,s) os << (i ? " " : "") << v[i]; return os; }
template<typename T> istream& operator >>(istream& is, vector<T> &v) { for(auto &x : v) is >> x; return is; }
void in(){} template <typename T,class... U> void in(T &t,U &...u){ cin >> t; in(u...);}
void out(){cout << "\n";} template <typename T,class... U> void out(const T &t,const U &...u){ cout << t; if(sizeof...(u)) cout << " "; out(u...);}
template<typename T>void die(T x){out(x); exit(0);}
#ifdef NyaanDebug
  #include "NyaanDebug.h"
  #define trc(...) do { cerr << #__VA_ARGS__ << " = "; dbg_out(__VA_ARGS__);} while(0)
  #define trca(v,N) do { cerr << #v << " = "; array_out(v , N);cout << endl;} while(0)
#else
  #define trc(...)
  #define trca(...)
  int main(){solve();}
#endif

using P = pair<int,int>; using vp = V<P>;
constexpr int MOD = /**/ 1000000007; //*/ 998244353;
//////////

mt19937_64 mt(1333);

void que(){
  inl(A,B,C);
  auto ok = [](ll a,ll b,ll c){
    if(a <= 0 || b <= 0 || c <= 0) return false;
    if(a == b || b == c || c == a) return false;
    ll m = max({a,b,c});
    ll n = min({a,b,c});
    if(a+b+c-m-n != b) return true;
    return false;
  };
  
  if(ok(A,B,C)) {out(0); return;}

  if(A == B && B == C) {out(3); return;}
  
  ll ret = infLL;

  rep(i , 13333){
    ll cur = 0 , legal = 1;
    ll a = A , b = B , c = C;
    auto diff = [&](ll &x,ll &y){
      if(y <= 1 || x < y) {legal = 0; return;}
      cur += x - (y - 1); 
      x = y - 1;
    };
    auto rantaku = [&](int k){
      if(k == 0) diff(a , b);
      if(k == 1) diff(b , a);
      if(k == 2) diff(a , c);
      if(k == 3) diff(c , a);
      if(k == 4) diff(b , c);
      if(k == 5) diff(c , b);
    };
    while(!ok(a , b , c)){
      rantaku(mt() % 6);
      if(legal == 0) break;
    }
    if(legal) amin(ret , cur);
  }
  if(ret == infLL) {out(-1); return;}
  out(ret);
}

void solve(){
  ini(Q);
  rep(i,Q) que();
}