1000 
1000
400
100
+90
4
7
2
7
1000
1000
400
100
+152
1000
1000
400
100
+109
1000
1000
400
100
+61
1000
1000
400
100
+159
1000
1000
400
100
+71
1000
1000
400
100
+34