#include <bits/stdc++.h>
using namespace std;

int main(){
  int T;
  int A,B,C;
  cin>>T;
  for(int i=0;i<T;i++){
    int a,b,c,ans=0;
  cin>>A>>B>>C;
    if((A<B)&&(B<C)){
      a=abs(A-B);
      b=abs(C-B);
      ans=min(a,b)+1;
      cout<<ans<<endl;
    }
    else if(((A<B)&&(B>C))&&(A<C)){cout<<"0";}
    else if(((A>B)&&(B<C))&&(A<C)){cout<<"0";}
    else if(((A<B)&&(B>C))&&(A>C)){cout<<"0";}
    else if(((A<B)&&(B>C))&&(A>C)){cout<<"0";}   
    else if((A>B)&&(B>C)){
      a=abs(A-B);
      b=abs(C-B);
      ans=min(a,b)+1;
      cout<<ans<<endl;
    }
    else if((A==B)&&(B==C)){cout<<"2";}   
    else {cout<<"1";}
    

  }
	return 0; 
}