1000 
1000
400
100
+87
1
16
4
10
1000
1000
400
100
+68
1000
1000
400
100
+49
1000
1000
400
100
+50
1000
1000
400
100
+23
1000
1000
400
100
+28
1000
1000
400
100
+16