1000 
1000
400
100
+17
3
1000
1000
400
100
+20
1
1000
1000
400
100
+101
1000
1000
400
100
+41
1000
1000
400
100
+4
1000
1000
400
100
+72
1000
1000
400
100
+32
1000
1000
400
100
+35
| 1 | 2 |