1000 
1000
400
100
+54
1000
1000
400
100
+145
1
1
2
1000
1000
400
100
+162
1000
1000
400
100
+93
1000
1000
400
100
+65
1000
1000
400
100
+95
1000
1000
400
100
+70
1000
1000
400
100
+142