1000 
1000
400
100
+18
2
1000
1000
400
100
+46
1
1
1000
1000
400
100
+44
1000
1000
400
100
+101
1000
1000
400
100
+102
1000
1000
400
100
+83
1000
1000
400
100
+241
3
