Bob
1
1
1
1
1000 
1000
400
100
+77
1000
1000
400
100
+7
1000
1000
400
100
+180
5
1000
1000
400
100
+112
1000
1000
400
100
+67
1000
1000
400
100
+137
1000
1000
400
100
+67
