1000 
1000
400
100
+87
1000
1000
400
100
+40
1000
1000
400
100
+55
1
1000
1000
400
100
+208
1
1000
1000
400
100
+106
1000
1000
400
100
+93
2
1000
1000
400
100
+178
| 1 | 2 |