1000 
1000
400
100
+4
1000
1000
400
100
+4
1000
1000
400
100
+16
1
1
1000
1000
400
100
+37
1000
1000
400
100
+33
1000
1000
400
100
+50
1000
1000
400
100
+27
1000
1000
400
100
+10