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.
PR
PR 把工作从一条路线带到另一条;合并它就是采纳。
没有开放的 PR
PR 把工作从一个分支带到另一个分支。
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.
PR 把工作从一条路线带到另一条;合并它就是采纳。
PR 把工作从一个分支带到另一个分支。