1000 
1000
400
100
+58
2
1
1
1000
1000
400
100
+106
1000
1000
400
100
+53
1000
1000
400
100
+42
1000
1000
400
100
+83
1000
1000
400
100
+109
1000
1000
400
100
+39
1000
1000
400
100
+153
