32
5 15 55
21 15 50
2 15 0
18 15 0
7 20 45
9 20 40
15 20 30
23 20 45
25 20 35
8 20 0
10 15 0
16 20 0
24 20 0
26 20 0
32 20 0
1 25 25
3 25 45
13 25 35
19 25 45
29 25 40
31 25 30
6 25 0
12 30 0
22 25 0
28 25 0
17 30 25
4 30 0
20 30 0
11 35 30
27 35 35
14 35 0
30 35 0