1000 
1000
400
100
+477
2
1
1000
1000
400
100
+180
1000
1000
400
100
+79
2
1000
1000
400
100
+95
1000
1000
400
100
+25
1000
1000
400
100
+128
1000
1000
400
100
+164
1000
1000
400
100
+131