1000 
1000
400
100
+100
1
1000
1000
400
100
+18
4
2
4
1000
1000
400
100
+63
1000
1000
400
100
+168
1000
1000
400
100
+90
1000
1000
400
100
+83
1000
1000
400
100
+76