what
3
2
3
2
1000 
1000
400
100
+81
1000
1000
400
100
+57
1
1000
1000
400
100
+77
1000
1000
400
100
+42
1000
1000
400
100
+94
1000
1000
400
100
+27
1000
1000
400
100
+114
1000
1000
400
100
+60
