Sherlock and the Valid String

Hacker
Rank
Score
210211
flag of India
00.00
210211
flag of India
00.00
210211
flag of India
00.00
210211
flag of United States
00.00
210211
flag of Singapore
00.00
210211
flag of United States
00.00
210211
flag of India
00.00
210211
flag of India
00.00
210211
flag of Greece
00.00
210211
flag of United States
00.00
210211
flag of Kenya
00.00
210211
flag of India
00.00
210211
flag of India
00.00
210211
flag of India
00.00
210211
flag of Thailand
00.00
210211
flag of India
00.00

[deleted]

210211
flag of null
00.00
210211
flag of India
00.00
210211
flag of India
00.00
210211
flag of Argentina
00.00
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