#include <iostream>
#include <vector>
using namespace std;

int findX(int inputX_1, int inputX_2, int inputX_3, int inputY_1, int inputY_2, int inputY_3) {
    if(inputX_1 == inputX_2) 
        return inputX_3;
    else {
        if(inputY_1 == inputY_2) {
            if(inputX_1 == inputX_3)
                return inputX_2;
            else
                return inputX_1;
        }
        else
            return inputX_1;

    }
}

int findY(int inputX_1, int inputX_2, int inputX_3, int inputY_1, int inputY_2, int inputY_3) {
    if(inputX_1 == inputX_2) {
        if(inputY_1 == inputY_3)
            return inputY_2;
        else
            return inputY_1;
    }
    else {
        if(inputY_1 == inputY_3) 
            return inputY_2;
        else
            return inputY_3;
    }
}

void makeOutput() {

    int testNum;
    int tempX = 0;
    int tempY = 0;
    vector<int> resultX, resultY, ordinateX, ordinateY;    
    int forCount = 0;
    cin >> testNum ;

    for(forCount = 0 ; forCount < testNum*3 ; forCount++) {
        int printCount = 0;
        cin >> tempX >> tempY ;
        if(tempX < 1 || tempY < 1 || tempX > 1000 || tempY > 1000)
            break;
        ordinateX.push_back(tempX);
        ordinateY.push_back(tempY);

        if(forCount%3 == 2) {
            resultX.push_back(findX(ordinateX[forCount-2], ordinateX[forCount-1], ordinateX[forCount], ordinateY[forCount-2], ordinateY[forCount-1], ordinateY[forCount]));
            resultY.push_back(findY(ordinateX[forCount-2], ordinateX[forCount-1], ordinateX[forCount], ordinateY[forCount-2], ordinateY[forCount-1], ordinateY[forCount]));
        }
    }

    for (int forCount = 0 ; forCount < testNum ; forCount++) {
        cout << resultX[forCount] << " " <<  resultY[forCount] << endl;
    }
}


int main() {
    makeOutput();
    return 0;
}