1000 
1000
400
100
+48
2
1000
1000
400
100
+17
1
1000
1000
400
100
+41
1000
1000
400
100
+68
1000
1000
400
100
+19
1
1000
1000
400
100
+99
1000
1000
400
100
+11
1000
1000
400
100
+83