(0,10)
(2,7)
(4,9)
(3,4)
(5,5)
(5,4)
(8,5)
(9,1)
(7,2)
(8,0)
(4,-3)
(5,-4)
(1,-3)
(0,0)
(-2,7)
(-3,3)
(-9,1)
(0,-9)
(-4,-3)
(-5,-4)
