nesting	grass	soil	angle	distance area
16	45	39.2	38	3          9
15	65	47	36	12         17 
10	40	24.3	14	18         9
7	20	30	16	21         6
11	40	47.6	6	27         15
7	80	47.6	9	36         9
4	80	45.6	7	39         5 
0	15	27.8	8	45         7
0	0	41.9	8	54         5
0	20	36.8	5	60         7
15	40	34.9	31	3         18
21	60	45.2	37	12        19 
12	95	32.9	24	18        12
8	50	26.6	11	24         9
9	80	32.7	10	30         3
6	80	38.1	5	36         6
0	60	31.4	5	39         6
0	70	32.7	2	48         9
0	35	38.1	8	51         3
16	60	37.1	35	6          15
25	60	47.1	35	12         20
13	85	34	23	18         11
13	90	43.6	12	21          9
11	20	30.8	9	27          9