ZREMRANGEBYSCORE
Initial
Play 1
Play 2
Play 3
Play 4
ZREMRANGEBYSCORE key min max
ZREMRANGEBYSCORE city
-inf (70
ZREMRANGEBYSCORE city
-inf 70
ZREMRANGEBYSCORE city
60 80
ZREMRANGEBYSCORE city
(60 inf
city
50
New Delhi
60
Seoul
70
Beijing
80
New York
INDEX
REVERSE
INDEX
0
1
2
3
-4
-3
-2
-1