1000 
1000
400
100
+71
1
1000
1000
400
100
+41
2
1000
1000
400
100
+30
1000
1000
400
100
+51
1000
1000
400
100
+101
1000
1000
400
100
+48
1000
1000
400
100
+51
1000
1000
400
100
+369
| 1 | 2 |