Concatenate an array with itself

Hacker
Rank
Score
01
flag of United States
01.00
01
flag of India
01.00
01
flag of United States
01.00
01
flag of France
01.00
01
flag of Turkey
01.00
01
flag of United States
01.00
01
flag of India
01.00
01
flag of China
01.00
01
flag of Russian Federation
01.00
01
flag of United Kingdom
01.00
01
flag of United States
01.00
01
flag of United States
01.00
01
flag of Germany
01.00
01
flag of China
01.00
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