1000 
1000
400
100
+101
1000
1000
400
100
+127
1000
1000
400
100
+70
2
3
2
1000
1000
400
100
+184
1000
1000
400
100
+341
1000
1000
400
100
+84
1000
1000
400
100
+48
1000
1000
400
100
+256
| 1 | 2 |
