...
2 l
8
1000 
1000
400
100
+38
1000
1000
400
100
+64
3
1
1000
1000
400
100
+11
1
1000
1000
400
100
+178
1000
1000
400
100
+179
1000
1000
400
100
+51
1000
1000
400
100
+23
2
1000
1000
400
100
+86