Sherlock and the Valid String

Hacker
Rank
Score
206824
flag of Ireland
18.529
206824
flag of India
18.529
206824
flag of India
18.529
206824
flag of United States
18.529
206824
flag of India
18.529
206824
flag of India
18.529
206824
flag of India
18.529
206824
flag of India
18.529
206824
flag of India
18.529
206824
flag of India
18.529
206824
flag of India
18.529
206824
flag of Canada
18.529

[deleted]

206824
flag of null
18.529
206824
flag of United States
18.529
206824
flag of India
18.529
206824
flag of India
18.529
206824
flag of United Kingdom
18.529
206824
flag of Singapore
18.529
206824
flag of United States
18.529
206824
flag of India
18.529
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