Irwin
4 l
11
1000 
1000
400
100
+158
1000
1000
400
100
+107
1000
1000
400
100
+75
1000
1000
400
100
+171
1000
1000
400
100
+146
1000
1000
400
100
+20
1000
1000
400
100
+3