Ups!
3 l
8
1000 
1000
400
100
+141
1000
1000
400
100
+94
1000
1000
400
100
+129
1000
1000
400
100
+71
1000
1000
400
100
+166
1000
1000
400
100
+208
1000
1000
400
100
+202
1000
1000
400
100
+30
