argument points: point(-5,10,-2) point(6,-6,1) point(7,6,-10) point(4,-1,-1)
connecting vectors: vector(11,-16,3) vector(1,12,-11) vector(-3,-7,9)
argument points, control: point(-5,10,-2) point(6,-6,1) point(7,6,-10) point(4,-1,-1)
