1000 
1000
400
100
+66
1000
1000
400
100
+22
1000
1000
400
100
+0
1000
1000
400
100
+2
1000
1000
400
100
+1
1000
1000
400
100
+1
1000
1000
400
100
+0
1000
1000
400
100
+15