Project Euler #28: Number spiral diagonals

Hacker
Rank
Score
5561
flag of Indonesia
25.00
5562
flag of India
25.00
5564
flag of India
25.00
5565
flag of India
25.00
5566
flag of India
25.00
5569
flag of India
25.00
5570
flag of United States
25.00
5571
flag of United States
25.00
5573
flag of Bangladesh
25.00
5574
flag of India
25.00
5575
flag of India
25.00
5576
flag of India
25.00
5577
flag of United States
25.00
5578
flag of India
25.00
5579
flag of Georgia
25.00
5580
flag of Tunisia
25.00
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