1000 
1000
400
100
+118
17
4
1000
1000
400
100
+82
1
1000
1000
400
100
+162
2
1000
1000
400
100
+66
1000
1000
400
100
+85
1000
1000
400
100
+395
1000
1000
400
100
+167