Project Euler #28: Number spiral diagonals

Hacker
Rank
Score
6905
flag of Ireland
25.00
6906
flag of India
25.00
6907
flag of India
25.00
6909
flag of India
25.00
6910
flag of Germany
25.00
6912
flag of Germany
25.00
6913
flag of Vietnam
25.00
6914
flag of United States
25.00
6916
flag of India
25.00
6917
flag of India
25.00
6918
flag of United States
25.00
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