1000 
1000
400
100
+23
2
1000
1000
400
100
+199
1000
1000
400
100
+163
1
1000
1000
400
100
+110
1000
1000
400
100
+10
1
1000
1000
400
100
+81
1000
1000
400
100
+143
1000
1000
400
100
+151