surface chart entitled Set accessibility parameter as an object

x	y	z
-3	-3	-216
-3	-2	-125
-3	-1	-64
-3	0	-27
-3	1	-8
-3	2	-1
-3	3	0
-2	-3	-125
-2	-2	-64
-2	-1	-27
-2	0	-8
-2	1	-1
-2	2	0
-2	3	1
-1	-3	-64
-1	-2	-27
-1	-1	-8
-1	0	-1
-1	1	0
-1	2	1
-1	3	8
0	-3	-27
0	-2	-8
0	-1	-1
0	0	0
0	1	1
0	2	8
0	3	27
1	-3	-8
1	-2	-1
1	-1	0
1	0	1
1	1	8
1	2	27
1	3	64
2	-3	-1
2	-2	0
2	-1	1
2	0	8
2	1	27
2	2	64
2	3	125
3	-3	0
3	-2	1
3	-1	8
3	0	27
3	1	64
3	2	125
3	3	216