I've just noticed my new puppy's chew toy is a dodecahedron! Even better, each hole has five different colours around it. That's optimal! Sadly though, it isn't the same five colours round every hole: the toy is made of six wobbly rings, so by the pigeonhole principle they all have to be different colours. (I say this because I'm colourblind and can't tell by looking that they're all different)
Now I really want to find a five-coloured dodecahedral dog toy, so Poppy can do more mathematically interesting chewing. 
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