#include <bits/stdc++.h>
using namespace std;
#define F first
#define S second
#define R cin>>
#define Z class
#define ll long long
#define ln cout<<'\n'
#define in(a) insert(a)
#define pb(a) push_back(a)
#define pd(a) printf("%.10f\n",a)
#define mem(a) memset(a,0,sizeof(a))
#define all(c) (c).begin(),(c).end()
#define iter(c) __typeof((c).begin())
#define rrep(i,n) for(ll i=(ll)(n)-1;i>=0;i--)
#define REP(i,m,n) for(ll i=(ll)(m);i<(ll)(n);i++)
#define rep(i,n) REP(i,0,n)
#define tr(it,c) for(iter(c) it=(c).begin();it!=(c).end();it++)
template<Z A>void pr(A a){cout<<a;ln;}
template<Z A,Z B>void pr(A a,B b){cout<<a<<' ';pr(b);}
template<Z A,Z B,Z C>void pr(A a,B b,C c){cout<<a<<' ';pr(b,c);}
template<Z A,Z B,Z C,Z D>void pr(A a,B b,C c,D d){cout<<a<<' ';pr(b,c,d);}
template<Z A>void PR(A a,ll n){rep(i,n){if(i)cout<<' ';cout<<a[i];}ln;}
ll check(ll n,ll m,ll x,ll y){return x>=0&&x<n&&y>=0&&y<m;}
const ll MAX=1e9+7,MAXL=1LL<<61,dx[4]={-1,0,1,0},dy[4]={0,1,0,-1};
typedef pair<ll,ll> P;

ll ck(vector<ll> a) {
  int x=a[1];
  sort(all(a));
  return a[1]!=x&&a[0]!=a[1]&&a[1]!=a[2]&&a[0]>0;
}

void Main() {
  ll T;
  cin >> T;
  while(T--) {
    vector<ll> a(3);
    rep(i,3) cin >> a[i];
    if(ck(a)) {
      pr(0);
      continue;
    }
    vector<ll> e;
    rep(i,3)rep(j,3) e.pb(i);
    ll ans=MAXL;
    do {
      ll sum=0;
      vector<ll> b=a;
      rep(i,3) {
        ll x=-MAXL;
        rep(j,3) {
          if(j!=e[i]) x=max(x,b[j]);
        }
        x=min(x,b[e[i]]-1);
        sum+=abs(b[e[i]]-x);
        b[e[i]]=x;
        if(ck(b)) ans=min(ans,sum);
      }
    } while(next_permutation(all(e)));
    if(ans==MAXL) ans=-1;
    pr(ans);
  }
}

int main(){ios::sync_with_stdio(0);cin.tie(0);Main();return 0;}