+2
0
0
0
0
0
0
0
0
-7
0
0
0
0
0
0
0
-4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
+2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0