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Timeline for answer to Fewest polyominoes adjacent to 3 copies by Carmeister

Current License: CC BY-SA 4.0

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Jul 24, 2023 at 6:59 comment added Dmitry Kamenetsky oh cool! That must be optimal
Jul 24, 2023 at 6:46 comment added Jaap Scherphuis @DmitryKamenetsky There is an octomino here.
Jul 24, 2023 at 3:14 comment added Dmitry Kamenetsky I wonder if we can find a smaller polyomino?
Jul 24, 2023 at 2:58 vote accept Dmitry Kamenetsky
Jul 24, 2023 at 2:22 comment added Will.Octagon.Gibson Lovely construction. Four is the definitely the minimum because each polyomino needs three neighbours.
Jul 24, 2023 at 1:49 history answered Carmeister CC BY-SA 4.0