ZREVRANGE
BYSCORE
Initial
Play 1
Play 2
Play 3
ZREVRANGEBYSCORE key max min [withscores] [limit offset count]
ZREVRANGEBYSCORE city
inf -inf
withscores
ZREVRANGEBYSCORE city
inf 60
withscores
ZREVRANGEBYSCORE city
60 -inf
withscores
city
80
New York
70
Beijing
60
Seoul
50
Tokyo
INDEX
REVERSE
INDEX
0
1
2
3
-4
-3
-2
-1