-1 1
-7 1
-2 1
10 1
-1 1
-7 1
-2 1
10 1
-1 1
-7 1
-2 1
10 1
-1 1
-7 1
-2 0.111111
10 9
-1 1
-7 1
-2 1
10 1
-1 1
-7 0.037037
8 27
-1 1
-7 1
-2 1
10 1
-1 1
-7 1
-2 0.111111
10 9
-1 1
-7 1
-2 1
10 1
-1 1
-7 1
-2 1
