Project Euler #237: Tours on a 4 x n playing board

Hacker
Rank
Score
180
flag of United States
00.00
180
flag of India
00.00
180
flag of India
00.00
180
flag of India
00.00
180
flag of Australia
00.00
180
flag of India
00.00
180
flag of Bangladesh
00.00
180
flag of Philippines
00.00
180
flag of India
00.00
180
flag of India
00.00
180
flag of India
00.00
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