1000 
1000
400
100
+34
1
1000
1000
400
100
+173
3
24
8
1000
1000
400
100
+96
1000
1000
400
100
+26
1000
1000
400
100
+108
1000
1000
400
100
+85
1000
1000
400
100
+164