1543A.cpp

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


#define ll long long
#define endl '\n'
#define debug(n) cout<<(n)<<endl;
const ll INF = 2e18 + 99;

int main(){
  ios_base::sync_with_stdio(false);
  cin.tie(NULL);

  int t;
  cin>>t;
  while(t--){
    ll a, b;
    cin>>a>>b;
    ll diff = (a >= b) ? (a - b) : (b - a);
    if(a > b){
      cout<<diff<<" "<<min(diff - (a % diff), b % diff)<<endl;
    }
    else if(b > a){
      cout<<diff<<" "<<min(diff - (b % diff), a % diff)<<endl;
    }
    else{
      cout<<0<<" "<<0<<endl;
    }
  }


}