1000 
1000
400
100
+105
1
1000
1000
400
100
+59
2
1000
1000
400
100
+83
1000
1000
400
100
+109
1000
1000
400
100
+143
1000
1000
400
100
+38
1000
1000
400
100
+173
1000
1000
400
100
+39