1000 
1000
400
100
+108
6
2
1000
1000
400
100
+103
1000
1000
400
100
+222
1000
1000
400
100
+212
1000
1000
400
100
+192
1000
1000
400
100
+116
1000
1000
400
100
+220
1000
1000
400
100
+16
| 1 | 2 |
