6 5

0 0
3 0
6 0
0 0
0 0
0 0

0 4
-1
-1
7 0
8 0
0 0

0 10
-1
-1
-1
-1
3 0

0 0
0 10
-1
-1
-1
-1

0 0
0 0
0 0
0 3
-1
-1