1000 
1000
400
100
+54
2
1000
1000
400
100
+9
1000
1000
400
100
+88
3
1000
1000
400
100
+109
2
1000
1000
400
100
+116
3
1000
1000
400
100
+51
1000
1000
400
100
+28
1000
1000
400
100
+54
