1000 
1000
400
100
+79
1
1000
1000
400
100
+18
1
2
1000
1000
400
100
+100
2
1000
1000
400
100
+43
1000
1000
400
100
+41
1000
1000
400
100
+48
1000
1000
400
100
+53
1000
1000
400
100
+93