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by acc54321
3943 days ago
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or in J graycodes=: verb define
>(0&,&.>,1&,&.>@:|.)^:(<:y) 0 1
)
' +'{~|:graycodes 6
++++++++++++++++++++++++++++++++
++++++++++++++++++++++++++++++++
++++++++++++++++ ++++++++++++++++
++++++++ ++++++++ ++++++++ ++++++++
++++ ++++ ++++ ++++ ++++ ++++ ++++ ++++
++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++
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