1000 
1000
400
100
+80
1000
1000
400
100
+53
3
3
1000
1000
400
100
+148
1000
1000
400
100
+148
11
1
1000
1000
400
100
+180
1000
1000
400
100
+54
1000
1000
400
100
+117
| 1 | 2 |