Concatenate an array with itself

Hacker
Rank
Score
18822
flag of Finland
00.00
18822
flag of India
00.00
18822
flag of Uruguay
00.00
18822
flag of India
00.00
18822
flag of United States
00.00
18822
flag of Ukraine
00.00
18822
flag of France
00.00
18822
flag of India
00.00
18822
flag of Australia
00.00
18822
flag of India
00.00
18822
flag of India
00.00
18822
flag of United States
00.00
18822
flag of India
00.00
18822
flag of China
00.00
18822
flag of United States
00.00
18822
flag of Pakistan
00.00
18822
flag of Russia
00.00
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