1000 
1000
400
100
+182
1000
1000
400
100
+59
1000
1000
400
100
+144
1000
1000
400
100
+80
1000
1000
400
100
+41
1
7
3
9
1000
1000
400
100
+3
1000
1000
400
100
+69
