Upgrade
3 l
3
1000 
1000
400
100
+126
1000
1000
400
100
+135
1000
1000
400
100
+172
1000
1000
400
100
+155
1000
1000
400
100
+42
1000
1000
400
100
+168
1000
1000
400
100
+40