2137
6
15
4
9
6
15
4
9
1000 
1000
400
100
+62
1000
1000
400
100
+48
1000
1000
400
100
+111
1000
1000
400
100
+86
1000
1000
400
100
+82
1000
1000
400
100
+30
1000
1000
400
100
+129