1000 
1000
400
100
+68
1000
1000
400
100
+74
1000
1000
400
100
+145
1000
1000
400
100
+77
1000
1000
400
100
+42
2
1000
1000
400
100
+134
1000
1000
400
100
+87
1
1000
1000
400
100
+45
| 1 | 2 |