1000 
1000
400
100
+102
1
1000
1000
400
100
+10
2
2
1
1000
1000
400
100
+110
1000
1000
400
100
+30
1000
1000
400
100
+67
1000
1000
400
100
+41
1000
1000
400
100
+16
1000
1000
400
100
+83
