1000 
1000
400
100
+143
1
1000
1000
400
100
+45
2
1
1000
1000
400
100
+27
1000
1000
400
100
+104
4
1000
1000
400
100
+50
1000
1000
400
100
+262
1000
1000
400
100
+44
1000
1000
400
100
+73
| 1 | 2 |