1000 
1000
400
100
+71
1
1
2
1000
1000
400
100
+8
1000
1000
400
100
+44
1000
1000
400
100
+73
1
1000
1000
400
100
+37
1000
1000
400
100
+53
1000
1000
400
100
+14
