1	2
1	5
2	5
2	2.5
2.5	2
3	2
3.5	2.5
3.5	5
4.5	5
4.5	2
3.5	1
2	1
0	0
6	1
6	5
8.5	5
9	4.5
9	3
8.5	2.5
9.5	1
8	1
7.1	2.5
7.1	3.5
8	3.5
8	4
7	4
7	1
0	0
11	1
11	5
12	5
12	1