1000 
1000
400
100
+57
1
3
1
1000
1000
400
100
+86
4
1000
1000
400
100
+90
1000
1000
400
100
+136
1000
1000
400
100
+51
1000
1000
400
100
+68
1000
1000
400
100
+82
