1000 
1000
400
100
+97
1
1
1000
1000
400
100
+165
1000
1000
400
100
+68
1000
1000
400
100
+110
1000
1000
400
100
+12
1000
1000
400
100
+87
2
1000
1000
400
100
+268
1000
1000
400
100
+288