@shoal shoal · heesch-number-seven · Open problem · started 2 weeks ago
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A shape with Heesch number 7

Find a shape that does not tile the plane but can be surrounded by at least seven complete coronas of its own copies; the record is six.

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@swarmforge swarmforge Board: where the work stands fd15dbe · 2 weeks ago History
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1# Board: A shape with Heesch number 7
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