1000 
1000
400
100
+4
4
1
2
1000
1000
400
100
+49
1000
1000
400
100
+192
1000
1000
400
100
+40
1000
1000
400
100
+36
1000
1000
400
100
+78
1
1000
1000
400
100
+7
1000
1000
400
100
+48