1000 
1000
400
100
+4
1
1
1000
1000
400
100
+17
1
1000
1000
400
100
+130
1000
1000
400
100
+138
1000
1000
400
100
+121
4
1000
1000
400
100
+98
1000
1000
400
100
+96
1000
1000
400
100
+12