1000 
1000
400
100
+64
2
3
1000
1000
400
100
+31
1000
1000
400
100
+137
1000
1000
400
100
+54
1
1000
1000
400
100
+229
1000
1000
400
100
+132
1000
1000
400
100
+88
1000
1000
400
100
+174
| 1 | 2 |
