-2 1
-2 1
-1 1
5 1
-2 1
-2 1
-1 1
5 1
-2 1
-2 1
-1 1
5 1
-2 1
-2 1
-1 1
5 1
-2 1
-2 1
-1 1
5 1
-2 1
-2 1
-1 1
5 1
-2 1
-2 1
-1 1
