#include<iostream>#include<cstdio>#include<cstring>#include<cmath>#include<algorithm>#include<bitset>#include<stdlib.h>using namespace std;int main(){int Case ;double x1 , y1 , x2 , y2 , r1 , r2 ;double x , y ;cin >> Case ;while( Case-- ){cin >> x1 >> y1 >> r1 ;cin >> x2 >> y2 >> r2 ;double d = ( double )sqrt( ( x1 - x2 ) * ( x1 - x2 ) + ( y1 - y2 ) * ( y1 - y2 ) );if( ( x1 == x2 && y1 == y2) || ( r1 == r2 ) || d <= abs( r1 - r2 ) ){cout << "Impossible." << endl ;continue ;}y = ( y2 * r1 - y1 * r2 ) / ( r1 - r2 ) ;x = ( x2 * r1 - x1 * r2 ) / ( r1 - r2 ) ;printf( "%.2f %.2fn" , x , y );}return 0 ;}
