1000 
1000
400
100
+14
1000
1000
400
100
+4
1000
1000
400
100
+3
1000
1000
400
100
+8
1000
1000
400
100
+5
1000
1000
400
100
+13
1000
1000
400
100
+18
1
1000
1000
400
100
+6
| 1 | 2 |