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