Project Euler #174: Counting the number of "hollow" square laminae that can form one, two, three, ... distinct arrangements.

Hacker
Rank
Score
309
flag of United States
00.00
309
flag of India
00.00
309
flag of India
00.00
309
flag of France
00.00

[deleted]

309
flag of Cuba
00.00
309
flag of United States
00.00
309
flag of India
00.00
309
flag of United States
00.00
309
flag of United States
00.00
309
flag of India
00.00

[deleted]

309
flag of null
00.00
309
flag of India
00.00
309
flag of India
00.00
309
flag of India
00.00
309
flag of India
00.00
309
flag of India
00.00
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