1000 
1000
400
100
+58
1000
1000
400
100
+133
1000
1000
400
100
+127
1000
1000
400
100
+97
1000
1000
400
100
+118
1000
1000
400
100
+1
1000
1000
400
100
+1
1000
1000
400
100
+3
| 1 | 2 |