1000 
1000
400
100
+10
1000
1000
400
100
+7
1
1000
1000
400
100
+3
1
1
1000
1000
400
100
+6
1
1000
1000
400
100
+9
1000
1000
400
100
+8
1000
1000
400
100
+14
1000
1000
400
100
+16
