Project Euler #28: Number spiral diagonals

Hacker
Rank
Score
6904
flag of Ireland
25.00
6905
flag of India
25.00
6906
flag of India
25.00
6908
flag of India
25.00
6909
flag of Germany
25.00
6911
flag of Germany
25.00
6912
flag of Vietnam
25.00
6913
flag of United States
25.00
6915
flag of India
25.00
6916
flag of India
25.00
6917
flag of United States
25.00
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