1000 
1000
400
100
+79
1
2
1
1000
1000
400
100
+349
2
1000
1000
400
100
+321
1000
1000
400
100
+101
1000
1000
400
100
+110
1000
1000
400
100
+85
1000
1000
400
100
+109
