Concatenate an array with itself

Hacker
Rank
Score
01
flag of United States
01.00
01
flag of United Kingdom
01.00
01
flag of China
01.00
01
flag of United States
01.00
01
flag of Poland
01.00
01
flag of Serbia
01.00
01
flag of United States
01.00
01
flag of Japan
01.00
01
flag of Romania
01.00
01
flag of Australia
01.00
01
flag of Italy
01.00
01
flag of United States
01.00
01
flag of Finland
01.00
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