1000 
1000
400
100
+67
1
10
2
8
1000
1000
400
100
+249
1000
1000
400
100
+88
1000
1000
400
100
+104
1000
1000
400
100
+71
1000
1000
400
100
+92
1000
1000
400
100
+59
| 1 | 2 |