(0.5 , 0.0)
(0.8 , -0.3)
(-0.2 , -0.7)
(0.0 , -0.4)
(-0.6 , 0.6)
(0.0 , 0.9)
(0.7 , 0.6)
(-0.8 , 0.0)
(0.9 , -0.5)
(-0.5 , 0.8)
