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

Hacker
Rank
Score
162
flag of India
01.25
163
flag of India
01.25
164
flag of India
01.25
167
flag of Nigeria
01.25

[deleted]

169
flag of null
01.25
170
flag of India
01.25
171
flag of India
01.25
172
flag of South Korea
01.25
173
flag of South Korea
01.25
174
flag of Republic of Korea
01.25
176
flag of Turkey
01.25
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