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

#define int long long
int n,m;

int exgcd(int a,int b,int &x,int &y) {
    if(!b) {
        x = 1; y = 0;
        return a;
    } else {
        int d = exgcd(b,a%b,y,x); y -= x*(a/b);
        return d;
    }
}

signed main() {
    int T;
    cin >> T;
    while(T --) {
        int x1,y1,x2,y2;
        cin >> x1 >> y1 >> x2 >> y2;
        n = abs(x2-x1); m = abs(y2-y1);
        int d = __gcd(n,m);
        n /= d; m /= d;
        bool r = 0;
        int u,v;
        int x,y;
        if(n > 1 || m > 1) {
            if(n < m) {
                r = 1;
                swap(n,m);
            } 
            exgcd(n,m,u,v);
            if(v < 0) v = v%n+n;
            x = v;y = m*v/n;
            if(r) swap(x,y);
            x *= d; y *= d;
         //   cout<<x<<" "<<y<<" "<<d<<"\n";
        }
        if(n == 1 && m == 1) {
            x = 1; y = 0;
        }
        if(n == 1 && m == 0) {
            x = 0; y = 1;
        }
        if(n == 0 && m == 1) {
            x = 1; y = 0;
        }
        
        
        if(x1 > x2) x = -x;
        if(y1 > y2) y = -y;
        cout<<x1+x<<" "<<y1+y<<"\n";
    }
    return 0;
}