12
2
0 0
1 1
5
0 0
1 10
2 0
3 10
4 0
4
0 0
0 1
1 0
0 0
5
0 100
1 0
2 100
3 0
4 100
3
-100 -100
100 100
-100 -99
3
-100 -100
100 100
-99 -100
3
-100 -100
-100 100
-99 -100
4
-100 -100
-100 100
-99 -99
-99 -100
4
97 98
-100 -100
98 99
99 99
4
98 99
-100 -100
99 100
99 99
4
-100 -100
-100 100
100 100
100 -100
4
100 0
0 -100
-100 0
0 100