1000 
1000
400
100
+34
1
2
1
1
1000
1000
400
100
+18
1000
1000
400
100
+31
1000
1000
400
100
+56
1000
1000
400
100
+17
1000
1000
400
100
+31
1000
1000
400
100
+41
1000
1000
400
100
+20
