1000 
1000
400
100
+89
1
1000
1000
400
100
+136
1000
1000
400
100
+69
2
2
1000
1000
400
100
+168
1000
1000
400
100
+57
1000
1000
400
100
+91
1000
1000
400
100
+36
1000
1000
400
100
+9
