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

Hacker
Rank
Score
42
flag of South Korea
08.75
43
flag of South Korea
07.50
44
flag of South Korea
07.50
46
flag of South Korea
07.50
47
flag of Korea, Republic of
07.50
48
flag of India
05.00
49
flag of Russian Federation
03.75
52
flag of Brazil
03.75
54
flag of India
03.75
58
flag of India
03.75
59
flag of Vietnam
03.75
60
flag of Russian Federation
03.75
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