⠀⠀
2 l
5
1000 
1000
400
100
+82
1000
1000
400
100
+143
2
2
1000
1000
400
100
+92
7
1000
1000
400
100
+42
1000
1000
400
100
+56
1000
1000
400
100
+87
1000
1000
400
100
+12
1
1000
1000
400
100
+421