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

Hacker
Rank
Score
123
flag of United States
01.25
124
flag of United States
01.25
125
flag of India
01.25
129
flag of India
01.25
132
flag of France
01.25

[deleted]

133
flag of null
01.25
137
flag of India
01.25
138
flag of India
01.25
140
flag of United States
01.25
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