0	0	0
10	0	0
20	0	0
30	0	0
40	0	0
50	0	0
0	10	0
10	10	2.6
20	10	4.5
30	10	6.3
40	10	2.4
50	10	4.5
0	20	6.1
10	20	2.6
20	20	.8
30	20	0
40	20	2.1
50	20	4.6
0	30	8.2
10	30	3.7
20	30	3
30	30	2.9
40	30	9.3
50	30	4.6
0	40	9.3
10	40	5.5
20	40	2.7
30	40	4.5
40	40	9.2
50	40	.8
0	50	0.1
10	50	3.4
20	50	6.1
30	50	0
40	50	0
50	50	0