nn_data_2.txt

6.5	4	1
7.5	4.5	1
2	0.5	0
4	1	0
1	2	0
7	6	1
5	6	1
5.5	4.5	1
1	1	0
3.5	2	0
5	2	0
7	2	0
8.5	3	0
9	4	0
1.5	3.5	0
4	3	0
1	5	0
3	5	0
2	6.5	0
3.5	6.5	0
5   7   0
7   7   0
3   3   0
2   2   1
3   2   1
2   3   1