1000 
1000
400
100
+214
1000
1000
400
100
+5
1000
1000
400
100
+167
1000
1000
400
100
+50
1000
1000
400
100
+8
1
1000
1000
400
100
+210
1
1000
1000
400
100
+142
1000
1000
400
100
+117
