1000 
1000
400
100
+193
1000
1000
400
100
+54
1000
1000
400
100
+65
1000
1000
400
100
+132
2
1
1
1000
1000
400
100
+349
1000
1000
400
100
+164
1000
1000
400
100
+154
1000
1000
400
100
+150