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when toggle format what by license comment
Jun 21, 2019 at 1:07 comment added Peregrine Rook Thanks for the clarification.  Your answer is similar to hexomino’s answer, but it is a slightly different way of looking at it.
Jun 19, 2019 at 12:45 history edited AxiomaticSystem CC BY-SA 4.0
diagram added
Jun 18, 2019 at 4:12 comment added Peregrine Rook I do not understand this. You could make it a lot clearer by adding some illustrations.  Of course you run the risk that, once your answer becomes comprehensible, it will be revealed to be a duplicate of one of the ones already given.
Jun 18, 2019 at 1:20 review First posts
Jun 18, 2019 at 4:12
Jun 18, 2019 at 1:19 history answered AxiomaticSystem CC BY-SA 4.0