1 0.3125
-7 1
2 1
1 1
2 1
-2 1
-1 1
-3 0.5
8 2
-12 0.5
12 2
-7 1
2 1
1 1
2 1
-2 1
-1 1
-3 0.5
8 2
-12 1
