(1,2.5266e-016)
(-2.35514e-016,2.58379e-016)
(3,-6.66974e-016)
(2,-6.96749e-016)
(1.66533e-016,9.18455e-017)
(2.35514e-016,2.58379e-016)
(0,2.00008e-016)
(0,1.91429e-016)