Sherlock and the Valid String

Hacker
Rank
Score
200866
flag of Vietnam
18.529
200866
flag of United States
18.529
200866
flag of India
18.529
200866
flag of United States
18.529
200866
flag of United States
18.529
200866
flag of India
18.529
200866
flag of India
18.529
200866
flag of Brazil
18.529
200866
flag of
18.529
200866
flag of India
18.529
200866
flag of Palestinian Territory
18.529
200866
flag of United States
18.529
200866
flag of South Korea
18.529
200866
flag of null
18.529
200866
flag of India
18.529
200866
flag of India
18.529
200866
flag of India
18.529
200866
flag of India
18.529
200866
flag of India
18.529
200866
flag of Singapore
18.529
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