1000 
1000
400
100
+247
1
2
1000
1000
400
100
+137
1
1000
1000
400
100
+67
1000
1000
400
100
+67
1000
1000
400
100
+253
1000
1000
400
100
+219
1000
1000
400
100
+163
1000
1000
400
100
+126