[(-10,-6.5,4),(-6.5,-2.5,4),(-2.5,1.75,4.125),(1.75,6,4.625),(6,9,3.25)]
[(0,3.5,4),(3.5,7.5,4),(7.5,11.75,4.125),(11.75,16,4.625),(16,19,3.25)]
-0.96	-0.45	2.12
-0.45	0.36	3.12
0.36	0.99	4.75
-1	1	80
[(-2,-2,1)]