Brush IV

2

3
3 -2
2 0
-3 3

16
3 -2
2 0
-3 3
-1 4
0 3
-4 -1
3 3
-4 4
2 2
-1 -1
4 -5
-5 -1
-2 -2
-2 3
-5 2
-2 3
//Output:
Case 1: 2
Case 2: 1