1000 
1000
400
100
+97
1000
1000
400
100
+40
1000
1000
400
100
+64
1
1000
1000
400
100
+80
1000
1000
400
100
+137
1000
1000
400
100
+51
2
1000
1000
400
100
+46
| 1 | 2 |
