1000 
1000
400
100
+168
1000
1000
400
100
+144
1000
1000
400
100
+30
4
1000
1000
400
100
+67
1000
1000
400
100
+82
1
1
1000
1000
400
100
+196
1000
1000
400
100
+37
1000
1000
400
100
+42