Comments about #17354

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Nb
Nice try but the solution is not unique, for example swan and plough can swap groups
(2 years, 1 month ago)

Angie T
The Plough isn't a constellation. The Plough (or Big Dipper) is an asterism.
(2 years ago)

Angie T
By that I mean the two can't swap groups.
(2 years ago)