1000 
1000
400
100
+48
1
1
1
2
1000
1000
400
100
+73
1000
1000
400
100
+63
1000
1000
400
100
+54
1000
1000
400
100
+129
1000
1000
400
100
+89
1000
1000
400
100
+17