1000 
1000
400
100
+15
2
1
1000
1000
400
100
+34
1
1
1000
1000
400
100
+80
1000
1000
400
100
+56
1000
1000
400
100
+122
1000
1000
400
100
+169
1000
1000
400
100
+179
1000
1000
400
100
+47
