1000 
1000
400
100
+102
2
1000
1000
400
100
+284
1
1000
1000
400
100
+46
1000
1000
400
100
+42
1
1000
1000
400
100
+54
1000
1000
400
100
+171
1000
1000
400
100
+18
1000
1000
400
100
+24
| 1 | 2 |
