1000 
1000
400
100
+21
1
1000
1000
400
100
+70
1000
1000
400
100
+9
1
1
1000
1000
400
100
+610
1000
1000
400
100
+139
1000
1000
400
100
+82
1000
1000
400
100
+192
1000
1000
400
100
+108
| 1 | 2 |