1000 
1000
400
100
+178
1
2
1000
1000
400
100
+162
1000
1000
400
100
+61
1000
1000
400
100
+144
1
1000
1000
400
100
+163
4
1000
1000
400
100
+109
1000
1000
400
100
+35
1000
1000
400
100
+32
