$n=<>;
for(1..$n){
	($t,$p,$w,$v,$gx,$gy)=glob<>;
	$v+=1;
	$r=sqrt($v*$v+$w*$w);
	$z=0;
	for(1..$t){
		$z+=$r**(2*($t-$_));
	}
	$a=atan2($w,$v);
	{
		$c=cos($a*$t);
		$s=sin($a*$t);
		$dx=($gx-$c*$r**$t)/$z;
		$dy=($gy-$s*$r**$t)/$z;
	}
	for(1..$t){
		$c=cos($a*($_-$t));
		$s=sin($a*($_-$t));
		$x=($dx*$c-$dy*$s)*$r**($t-$_);
		$y=($dx*$s+$dy*$c)*$r**($t-$_);
		print $x," ",$y,"\n";
	}
}