1000 
1000
400
100
+86
2
1000
1000
400
100
+65
1000
1000
400
100
+131
2
1000
1000
400
100
+232
1000
1000
400
100
+22
1
2
1000
1000
400
100
+262
1000
1000
400
100
+50