1000 
1000
400
100
+169
1
2
2
1000
1000
400
100
+44
1
1000
1000
400
100
+102
1000
1000
400
100
+37
1000
1000
400
100
+40
1000
1000
400
100
+51
1000
1000
400
100
+58
1000
1000
400
100
+70