1000 
1000
400
100
+38
1000
1000
400
100
+176
2
1
1000
1000
400
100
+36
4
1000
1000
400
100
+67
1000
1000
400
100
+44
1000
1000
400
100
+32
1000
1000
400
100
+87
1000
1000
400
100
+113